Additional Fixes and Improvements (#596)

- Windows now exits with the proper exit codes. This mirrors Ubuntu behavior properly now and means we do not need the error parsing logic to handle error conditions which means we should be back to v2 behavior.
- Allow customizing image registry/image version
- Only create the licensing directory on Mac if it doesn't already exist. Don't delete the folder on build complete. This means builds nominally shouldn't need sudo permissions, very useful for self-hosted runners.
- Pick correct architecture when installing macos editor to support both x86 and arm-based systems (Credit @dcvz)

action.yml

@@ -124,6 +124,14 @@ inputs:
       'Isolation mode to use for the docker container. Can be one of process, hyperv, or default. Default will pick the
       default mode as described by Microsoft where server versions use process and desktop versions use hyperv. Only
       applicable on Windows'
+  containerRegistryRepository:
+    required: false
+    default: 'unityci/editor'
+    description: 'Container registry and repository to pull image from. Only applicable if customImage is not set.'
+  containerRegistryImageVersion:
+    required: false
+    default: '3'
+    description: 'Container registry image version. Only applicable if customImage is not set.'
   allowDirtyBuild:
     required: false
     default: ''