Repository: storybook
Issue: [Bug]: ValidationError: Invalid configuration object. Webpack has been initialized using a configuration object that does not match the API schema.
Labels: bug,needs triage

### Describe the bug

After apdating Angular to 15 version it became imposible to build storybook.


### To Reproduce

```shell
update Angular to 15 ver => npm run build-storybook
```


### System

```shell
Environment Info:

  System:
    OS: macOS 13.1
    CPU: (8) arm64 Apple M1 Pro
  Binaries:
    Node: 14.20.1 - ~/.nvm/versions/node/v14.20.1/bin/node
    npm: 6.14.17 - ~/.nvm/versions/node/v14.20.1/bin/npm
  Browsers:
    Chrome: 109.0.5414.119
    Edge: 109.0.1518.78
    Firefox: 109.0.1
    Safari: 16.2
  npmPackages:
    @storybook/addon-actions: ^6.4.22 => 6.5.16 
    @storybook/addon-essentials: ^6.4.22 => 6.5.16 
    @storybook/addon-interactions: ^6.4.22 => 6.5.16 
    @storybook/addon-links: ^6.4.22 => 6.5.16 
    @storybook/angular: ^6.4.22 => 6.5.16 
    @storybook/builder-webpack5: ^6.4.22 => 6.5.16 
    @storybook/manager-webpack5: ^6.4.22 => 6.5.16 
    @storybook/testing-library: 0.0.11 => 0.0.11
```


### Additional context

Stack trace:


info => Using default Webpack5 setup
ERR! ValidationError: Invalid configuration object. Webpack has been initialized using a configuration object that does not match the API schema.
ERR!  - configuration.entry[12] should be a non-empty string.
ERR!    -> A module that is loaded upon startup. Only the last one is exported.
ERR!     at validate (/Users/sda/Work/ui-monolith-prototype/node_modules/webpack/node_modules/schema-utils/dist/validate.js:106:11)
ERR!     at validateSchema (/Users/sda/Work/ui-monolith-prototype/node_modules/webpack/lib/validateSchema.js:78:2)
ERR!     at create (/Users/sda/Work/ui-monolith-prototype/node_modules/webpack/lib/webpack.js:111:24)
ERR!     at webpack (/Users/sda/Work/ui-monolith-prototype/node_modules/webpack/lib/webpack.js:158:32)
ERR!     at f (/Users/sda/Work/ui-monolith-prototype/node_modules/webpack/lib/index.js:64:16)
ERR!     at _callee5$ (/Users/sda/Work/ui-monolith-prototype/node_modules/@storybook/manager-webpack5/dist/cjs/index.js:576:24)
ERR!     at tryCatch (/Users/sda/Work/ui-monolith-prototype/node_modules/regenerator-runtime/runtime.js:64:40)
ERR!     at Generator.invoke (/Users/sda/Work/ui-monolith-prototype/node_modules/regenerator-runtime/runtime.js:299:22)
ERR!     at Generator.next (/Users/sda/Work/ui-monolith-prototype/node_modules/regenerator-runtime/runtime.js:124:21)
ERR!     at resume (/Users/sda/Work/ui-monolith-prototype/node_modules/@storybook/manager-webpack5/dist/cjs/index.js:90:362)
ERR!  ValidationError: Invalid configuration object. Webpack has been initialized using a configuration object that does not match the API schema.
ERR!  - configuration.entry[12] should be a non-empty string.
ERR!    -> A module that is loaded upon startup. Only the last one is exported.
ERR!     at validate (/Users/sda/Work/ui-monolith-prototype/node_modules/webpack/node_modules/schema-utils/dist/validate.js:106:11)
ERR!     at validateSchema (/Users/sda/Work/ui-monolith-prototype/node_modules/webpack/lib/validateSchema.js:78:2)
ERR!     at create (/Users/sda/Work/ui-monolith-prototype/node_modules/webpack/lib/webpack.js:111:24)
ERR!     at webpack (/Users/sda/Work/ui-monolith-prototype/node_modules/webpack/lib/webpack.js:158:32)
ERR!     at f (/Users/sda/Work/ui-monolith-prototype/node_modules/webpack/lib/index.js:64:16)
ERR!     at _callee5$ (/Users/sda/Work/ui-monolith-prototype/node_modules/@storybook/manager-webpack5/dist/cjs/index.js:576:24)
ERR!     at tryCatch (/Users/sda/Work/ui-monolith-prototype/node_modules/regenerator-runtime/runtime.js:64:40)
ERR!     at Generator.invoke (/Users/sda/Work/ui-monolith-prototype/node_modules/regenerator-runtime/runtime.js:299:22)
ERR!     at Generator.next (/Users/sda/Work/ui-monolith-prototype/node_modules/regenerator-runtime/runtime.js:124:21)
ERR!     at resume (/Users/sda/Work/ui-monolith-prototype/node_modules/@storybook/manager-webpack5/dist/cjs/index.js:90:362) {
ERR!   errors: [
ERR!     {
ERR!       keyword: 'anyOf',
ERR!       dataPath: '.entry',
ERR!       schemaPath: '#/anyOf',
ERR!       params: {},
ERR!       message: 'should match some schema in anyOf',
ERR!       schema: [Array],
ERR!       parentSchema: [Object],
ERR!       data: [Array],
ERR!       children: [Array]
ERR!     }
ERR!   ],
ERR!   schema: {
ERR!     definitions: {
ERR!       Amd: [Object],
ERR!       AssetFilterItemTypes: [Object],
ERR!       AssetFilterTypes: [Object],
ERR!       AssetGeneratorDataUrl: [Object],
ERR!       AssetGeneratorDataUrlFunction: [Object],
ERR!       AssetGeneratorDataUrlOptions: [Object],
ERR!       AssetGeneratorOptions: [Object],
ERR!       AssetInlineGeneratorOptions: [Object],
ERR!       AssetModuleFilename: [Object],
ERR!       AssetModuleOutputPath: [Object],
ERR!       AssetParserDataUrlFunction: [Object],
ERR!       AssetParserDataUrlOptions: [Object],
ERR!       AssetParserOptions: [Object],
ERR!       AssetResourceGeneratorOptions: [Object],
ERR!       AuxiliaryComment: [Object],
ERR!       Bail: [Object],
ERR!       CacheOptions: [Object],
ERR!       CacheOptionsNormalized: [Object],
ERR!       Charset: [Object],
ERR!       ChunkFilename: [Object],
ERR!       ChunkFormat: [Object],
ERR!       ChunkLoadTimeout: [Object],
ERR!       ChunkLoading: [Object],
ERR!       ChunkLoadingGlobal: [Object],
ERR!       ChunkLoadingType: [Object],
ERR!       Clean: [Object],
ERR!       CleanOptions: [Object],
ERR!       CompareBeforeEmit: [Object],
ERR!       Context: [Object],
ERR!       CrossOriginLoading: [Object],
ERR!       CssChunkFilename: [Object],
ERR!       CssExperimentOptions: [Object],
ERR!       CssFilename: [Object],
ERR!       CssGeneratorOptions: [Object],
ERR!       CssParserOptions: [Object],
ERR!       Dependencies: [Object],
ERR!       DevServer: [Object],
ERR!       DevTool: [Object],
ERR!       DevtoolFallbackModuleFilenameTemplate: [Object],
ERR!       DevtoolModuleFilenameTemplate: [Object],
ERR!       DevtoolNamespace: [Object],
ERR!       EmptyGeneratorOptions: [Object],
ERR!       EmptyParserOptions: [Object],
ERR!       EnabledChunkLoadingTypes: [Object],
ERR!       EnabledLibraryTypes: [Object],
ERR!       EnabledWasmLoadingTypes: [Object],
ERR!       Entry: [Object],
ERR!       EntryDescription: [Object],
ERR!       EntryDescriptionNormalized: [Object],
ERR!       EntryDynamic: [Object],
ERR!       EntryDynamicNormalized: [Object],
ERR!       EntryFilename: [Object],
ERR!       EntryItem: [Object],
ERR!       EntryNormalized: [Object],
ERR!       EntryObject: [Object],
ERR!       EntryRuntime: [Object],
ERR!       EntryStatic: [Object],
ERR!       EntryStaticNormalized: [Object],
ERR!       EntryUnnamed: [Object],
ERR!       Environment: [Object],
ERR!       Experiments: [Object],
ERR!       ExperimentsCommon: [Object],
ERR!       ExperimentsNormalized: [Object],
ERR!       ExternalItem: [Object],
ERR!       ExternalItemFunctionData: [Object],
ERR!       ExternalItemValue: [Object],
ERR!       Externals: [Object],
ERR!       ExternalsPresets: [Object],
ERR!       ExternalsType: [Object],
ERR!       FileCacheOptions: [Object],
ERR!       Filename: [Object],
ERR!       FilenameTemplate: [Object],
ERR!       FilterItemTypes: [Object],
ERR!       FilterTypes: [Object],
ERR!       GeneratorOptionsByModuleType: [Object],
ERR!       GlobalObject: [Object],
ERR!       HashDigest: [Object],
ERR!       HashDigestLength: [Object],
ERR!       HashFunction: [Object],
ERR!       HashSalt: [Object],
ERR!       HotUpdateChunkFilename: [Object],
ERR!       HotUpdateGlobal: [Object],
ERR!       HotUpdateMainFilename: [Object],
ERR!       HttpUriAllowedUris: [Object],
ERR!       HttpUriOptions: [Object],
ERR!       HttpUriOptionsAllowedUris: [Object],
ERR!       IgnoreWarnings: [Object],
ERR!       IgnoreWarningsNormalized: [Object],
ERR!       Iife: [Object],
ERR!       ImportFunctionName: [Object],
ERR!       ImportMetaName: [Object],
ERR!       InfrastructureLogging: [Object],
ERR!       JavascriptParserOptions: [Object],
ERR!       Layer: [Object],
ERR!       LazyCompilationDefaultBackendOptions: [Object],
ERR!       LazyCompilationOptions: [Object],
ERR!       Library: [Object],
ERR!       LibraryCustomUmdCommentObject: [Object],
ERR!       LibraryCustomUmdObject: [Object],
ERR!       LibraryExport: [Object],
ERR!       LibraryName: [Object],
ERR!       LibraryOptions: [Object],
ERR!       LibraryType: [Object],
ERR!       Loader: [Object],
ERR!       MemoryCacheOptions: [Object],
ERR!       Mode: [Object],
ERR!       ModuleFilterItemTypes: [Object],
ERR!       ModuleFilterTypes: [Object],
ERR!       ModuleOptions: [Object],
ERR!       ModuleOptionsNormalized: [Object],
ERR!       Name: [Object],
ERR!       NoParse: [Object],
ERR!       Node: [Object],
ERR!       NodeOptions: [Object],
ERR!       Optimization: [Object],
ERR!       OptimizationRuntimeChunk: [Object],
ERR!       OptimizationRuntimeChunkNormalized: [Object],
ERR!       OptimizationSplitChunksCacheGroup: [Object],
ERR!       OptimizationSplitChunksGetCacheGroups: [Object],
ERR!       OptimizationSplitChunksOptions: [Object],
ERR!       OptimizationSplitChunksSizes: [Object],
ERR!       Output: [Object],
ERR!       OutputModule: [Object],
ERR!       OutputNormalized: [Object],
ERR!       Parallelism: [Object],
ERR!       ParserOptionsByModuleType: [Object],
ERR!       Path: [Object],
ERR!       Pathinfo: [Object],
ERR!       Performance: [Object],
ERR!       PerformanceOptions: [Object],
ERR!       Plugins: [Object],
ERR!       Profile: [Object],
ERR!       PublicPath: [Object],
ERR!       RawPublicPath: [Object],
ERR!       RecordsInputPath: [Object],
ERR!       RecordsOutputPath: [Object],
ERR!       RecordsPath: [Object],
ERR!       Resolve: [Object],
ERR!       ResolveAlias: [Object],
ERR!       ResolveLoader: [Object],
ERR!       ResolveOptions: [Object],
ERR!       ResolvePluginInstance: [Object],
ERR!       RuleSetCondition: [Object],
ERR!       RuleSetConditionAbsolute: [Object],
ERR!       RuleSetConditionOrConditions: [Object],
ERR!       RuleSetConditionOrConditionsAbsolute: [Object],
ERR!       RuleSetConditions: [Object],
ERR!       RuleSetConditionsAbsolute: [Object],
ERR!       RuleSetLoader: [Object],
ERR!       RuleSetLoaderOptions: [Object],
ERR!       RuleSetLogicalConditions: [Object],
ERR!       RuleSetLogicalConditionsAbsolute: [Object],
ERR!       RuleSetRule: [Object],
ERR!       RuleSetRules: [Object],
ERR!       RuleSetUse: [Object],
ERR!       RuleSetUseItem: [Object],
ERR!       ScriptType: [Object],
ERR!       SnapshotOptions: [Object],
ERR!       SourceMapFilename: [Object],
ERR!       SourcePrefix: [Object],
ERR!       StatsOptions: [Object],
ERR!       StatsValue: [Object],
ERR!       StrictModuleErrorHandling: [Object],
ERR!       StrictModuleExceptionHandling: [Object],
ERR!       Target: [Object],
ERR!       TrustedTypes: [Object],
ERR!       UmdNamedDefine: [Object],
ERR!       UniqueName: [Object],
ERR!       WarningFilterItemTypes: [Object],
ERR!       WarningFilterTypes: [Object],
ERR!       WasmLoading: [Object],
ERR!       WasmLoadingType: [Object],
ERR!       Watch: [Object],
ERR!       WatchOptions: [Object],
ERR!       WebassemblyModuleFilename: [Object],
ERR!       WebpackOptionsNormalized: [Object],
ERR!       WebpackPluginFunction: [Object],
ERR!       WebpackPluginInstance: [Object]
ERR!     },
ERR!     title: 'WebpackOptions',
ERR!     description: 'Options object as provided by the user.',
ERR!     type: 'object',
ERR!     additionalProperties: false,
ERR!     properties: {
ERR!       amd: [Object],
ERR!       bail: [Object],
ERR!       cache: [Object],
ERR!       context: [Object],
ERR!       dependencies: [Object],
ERR!       devServer: [Object],
ERR!       devtool: [Object],
ERR!       entry: [Object],
ERR!       experiments: [Object],
ERR!       externals: [Object],
ERR!       externalsPresets: [Object],
ERR!       externalsType: [Object],
ERR!       ignoreWarnings: [Object],
ERR!       infrastructureLogging: [Object],
ERR!       loader: [Object],
ERR!       mode: [Object],
ERR!       module: [Object],
ERR!       name: [Object],
ERR!       node: [Object],
ERR!       optimization: [Object],
ERR!       output: [Object],
ERR!       parallelism: [Object],
ERR!       performance: [Object],
ERR!       plugins: [Object],
ERR!       profile: [Object],
ERR!       recordsInputPath: [Object],
ERR!       recordsOutputPath: [Object],
ERR!       recordsPath: [Object],
ERR!       resolve: [Object],
ERR!       resolveLoader: [Object],
ERR!       snapshot: [Object],
ERR!       stats: [Object],
ERR!       target: [Object],
ERR!       watch: [Object],
ERR!       watchOptions: [Object]
ERR!     }
ERR!   },
ERR!   headerName: 'Webpack',
ERR!   baseDataPath: 'configuration',
ERR!   postFormatter: [Function: postFormatter]
ERR! }