/home/runner/work/mollusk/mollusk/./.github/actions/backport/action.yml (Line: 70, Col: 7): Unexpected value 'outputs'

/home/runner/work/mollusk/mollusk/./.github/actions/backport/action.yml (Line: 43, Col: 7): Required property is missing: shell

GitHub.DistributedTask.ObjectTemplating.TemplateValidationException: The template is not valid. /home/runner/work/mollusk/mollusk/./.github/actions/backport/action.yml (Line: 70, Col: 7): Unexpected value 'outputs',/home/runner/work/mollusk/mollusk/./.github/actions/backport/action.yml (Line: 43, Col: 7): Required property is missing: shell at GitHub.DistributedTask.ObjectTemplating.TemplateValidationErrors.Check() at GitHub.Runner.Worker.ActionManifestManager.ConvertRuns(IExecutionContext executionContext, TemplateContext templateContext, TemplateToken inputsToken, String fileRelativePath, MappingToken outputs) at GitHub.Runner.Worker.ActionManifestManager.Load(IExecutionContext executionContext, String manifestFile)

Failed to load /home/runner/work/mollusk/mollusk/./.github/actions/backport/action.yml