/opt/actions-runner/_work/luajit/luajit/./.github/actions/bump-submodule/action.yml (Line: 24, Col: 3): Unexpected value 'steps'

System.ArgumentNullException: Value cannot be null. (Parameter 'You are using a composite action but there are no steps provided in /opt/actions-runner/_work/luajit/luajit/./.github/actions/bump-submodule/action.yml.') 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)