update slot resume pointers for step 4767

slots/4/latest.json

@@ -1 +1 @@
-{"worker_id": "slot:4", "checkpoint": "slots/4/checkpoint-1539", "step": 1539, "updated_at": 1776683395}
+{"worker_id": "slot:4", "checkpoint": "slots/4/checkpoint-4767", "step": 4767, "updated_at": 1776735810}