update slot resume pointers for step 2777

slots/10/latest.json

@@ -1 +1 @@
-{"worker_id": "slot:10", "checkpoint": "slots/10/checkpoint-1790", "step": 1790, "updated_at": 1776405039}
+{"worker_id": "slot:10", "checkpoint": "slots/10/checkpoint-2777", "step": 2777, "updated_at": 1776406964}