/home/runner/work/lxd-ci/lxd-ci/./.github/actions/image-upload/action.yml (Line: 19, 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 /home/runner/work/lxd-ci/lxd-ci/./.github/actions/image-upload/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)

Failed to load /home/runner/work/lxd-ci/lxd-ci/./.github/actions/image-upload/action.yml