/home/runner/work/sil-kit-ci-staging/sil-kit-ci-staging/./.github/actions/sil-kit-ci-setup-build-environment/action.yml: (Line: 1, Col: 17, Idx: 16) - (Line: 1, Col: 17, Idx: 16): Mapping values are not allowed in this context.

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)