/home/runner/work/positron/positron/./.github/actions/python-build-vsix/action.yml: (Line: 69, Col: 7, Idx: 1948) - (Line: 69, Col: 7, Idx: 1948): While scanning a simple key, could not find expected ':'.

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/positron/positron/./.github/actions/python-build-vsix/action.yml