update slot resume pointers for step 2845

slots/3/latest.json

@@ -1 +1 @@
-{"worker_id": "slot:3", "checkpoint": "slots/3/checkpoint-1668", "step": 1668, "updated_at": 1776404676}
+{"worker_id": "slot:3", "checkpoint": "slots/3/checkpoint-2845", "step": 2845, "updated_at": 1776406688}