chore:Adjust cache rebuild task timing to 1:00 AM daily.

The schedule for the cache rebuild task was incorrectly documented as running at a different time than configured. This change aligns both the actual schedule and the comment to correctly indicate the task runs at 1:00 AM daily.

fbr/celery_app.py

@@ -19,6 +19,6 @@
 celery_app.conf.beat_schedule = {
     "schedule-fbr-cache-task": {
         "task": "celery_worker.tasks.rebuild_cache",
-        "schedule": crontab(hour="3", minute="46"),  # Runs daily at 1:00 AM
+        "schedule": crontab(hour="1", minute="0"),  # Runs daily at 1:00 AM
     },
 }