Posture check: Azure Function app configured with public network access
Query: ```config from cloud.resource where cloud.type = 'azure' AND api.name = 'azure-app-service' AND json.rule = 'kind contains functionapp and kind does not contain workflowapp and kind does not equal app and properties.state equal ignore case running and ((properties.publicNetworkAccess exists and properties.publicNetworkAccess equal ignore case Enabled) or (properties.publicNetworkAccess does not exist)) and config.ipSecurityRestrictions[?any((action equals Allow and ipAddress equals Any) or (action equals Allow and ipAddress equals 0.0.0.0/0))] exists'```