update slot resume pointers for step 492

slots/9/latest.json

@@ -1 +1 @@
-{"worker_id": "slot:9", "checkpoint": "slots/9/checkpoint-488", "step": 488, "updated_at": 1776387906}
+{"worker_id": "slot:9", "checkpoint": "slots/9/checkpoint-492", "step": 492, "updated_at": 1776389301}