update slot resume pointers for step 4777

slots/14/latest.json

@@ -1 +1 @@
-{"worker_id": "slot:14", "checkpoint": "slots/14/checkpoint-1911", "step": 1911, "updated_at": 1776683928}
+{"worker_id": "slot:14", "checkpoint": "slots/14/checkpoint-4777", "step": 4777, "updated_at": 1776735663}