Support Multiple License Products when using Unity Licensing Server

[ejnarvala]

Changes

• adds an action parameter unityLicensingProductIds
• updates services-config.json.template to set toolset based on unityLicensingProductIds. If this value is set to an empty string, it will use the server's default configuration, the same behavior as if the parameter was not included at alll

Successful Workflow Run Link

PRs don't have access to secrets so you will need to provide a link to a successful run
of the workflows from your own repo.

• ...

Checklist

• Read the contribution guide and accept the code of conduct
• Docs (If new inputs or outputs have been added or changes to behavior that should be documented. Please make a PR
  in the documentation repo)
• Readme (updated or not needed)
• Tests (added, updated or not needed)

[github-actions]