update slot resume pointers for step 6232

slots/12/latest.json

@@ -1 +1 @@
-{"worker_id": "slot:12", "checkpoint": "slots/12/checkpoint-5566", "step": 5566, "updated_at": 1776439872}
+{"worker_id": "slot:12", "checkpoint": "slots/12/checkpoint-6232", "step": 6232, "updated_at": 1776441511}