***/actions/main/dockerfile-push/action.yml (Line: 14, Col: 14): A mapping was not expected

GitHub.DistributedTask.ObjectTemplating.TemplateValidationException: The template is not valid. ***/actions/main/dockerfile-push/action.yml (Line: 14, Col: 14): A mapping was not expected 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)