Failed to load /home/runner/work/spack-updater/spack-updater/./release-check/action.yaml

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)

/home/runner/work/spack-updater/spack-updater/./release-check/action.yaml: (Line: 125, Col: 11, Idx: 3730) - (Line: 125, Col: 11, Idx: 3730): Mapping values are not allowed in this context.