update slot resume pointers for step 2374

slots/19/latest.json

@@ -1 +1 @@
-{"worker_id": "slot:19", "checkpoint": "slots/19/checkpoint-494", "step": 494, "updated_at": 1776388231}
+{"worker_id": "slot:19", "checkpoint": "slots/19/checkpoint-2374", "step": 2374, "updated_at": 1776405903}