/home/runner/work/choice-learn/choice-learn/./.github/actions/publish/action.yaml: (Line: 2, Col: 1, Idx: 28) - (Line: 2, Col: 2, Idx: 29): While parsing a block mapping, did not find expected key.

System.ArgumentException: Unexpected type '' encountered while reading 'action manifest root'. The type 'MappingToken' was expected. at GitHub.DistributedTask.ObjectTemplating.Tokens.TemplateTokenExtensions.AssertMapping(TemplateToken value, String objectDescription) at GitHub.Runner.Worker.ActionManifestManager.Load(IExecutionContext executionContext, String manifestFile)

Failed to load /home/runner/work/choice-learn/choice-learn/./.github/actions/publish/action.yaml