update slot resume pointers for step 2524

slots/18/latest.json

@@ -1 +1 @@
-{"worker_id": "slot:18", "checkpoint": "slots/18/checkpoint-662", "step": 662, "updated_at": 1776398566}
+{"worker_id": "slot:18", "checkpoint": "slots/18/checkpoint-2524", "step": 2524, "updated_at": 1776406495}