fix: add default

Author: giancarloromeo

packages/service-library/src/servicelib/celery/models.py

@@ -216,7 +216,7 @@ async def publish_task_event(self, task_id: TaskID, event: TaskEvent) -> None: .
     def consume_task_events(
         self,
         task_id: TaskID,
-        last_id: str | None,
+        last_id: str | None = None,
     ) -> AsyncIterator[TaskEvent]: ...