/home/runner/work/neon/neon/./.github/actions/check-submodule-reference/action.yml: (Line: 2, Col: 82, Idx: 115) - (Line: 2, Col: 91, Idx: 124): 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)