Update project ua-parser.js to 0.7.3

libgrabber updated project ua-parser.js to 0.7.3.

@faisalman

### Metadata information

```json
{
  "metadata": {
    "packageManager": "github",
    "name": "ua-parser.js",
    "repo": "faisalman/ua-parser-js",
    "files": {
      "include": ["src/ua-parser.js", "dist/ua-parser.min.js"],
      "exclude": []
    },
    "path": "../jsdelivr/files/ua-parser.js",
    "localVersions": ["0.5.11", "0.6.0", "0.7.0", "0.7.1"],
    "remoteVersions": ["v0.1", "v0.1.2", "v0.2.0", "v0.2.1", "v0.3.0", "v0.3.2", "v0.3.4", "v0.4.0", "v0.4.3", "v0.4.6", "v0.4.8", "v0.4.15", "v0.5.1", "v0.5.11", "v0.5.15", "v0.5.25", "v0.5.27", "v0.6.0", "v0.6.2", "v0.7.0", "v0.7.1", "0.7.1", "0.7.2", "0.7.3"],
    "branchVersions": []
  },
  "version": "0.7.3",
  "updated": true,
  "updatePath": "../jsdelivr/files/ua-parser.js/0.7.3",
  "branch": "ua-parser.js/0.7.3"
}
```