update slot resume pointers for step 4878

slots/13/latest.json

@@ -1 +1 @@
-{"worker_id": "slot:13", "checkpoint": "slots/13/checkpoint-1385", "step": 1385, "updated_at": 1776682706}
+{"worker_id": "slot:13", "checkpoint": "slots/13/checkpoint-4878", "step": 4878, "updated_at": 1776735866}