update slot resume pointers for step 5077

slots/19/latest.json

@@ -1 +1 @@
-{"worker_id": "slot:19", "checkpoint": "slots/19/checkpoint-4523", "step": 4523, "updated_at": 1776564859}
+{"worker_id": "slot:19", "checkpoint": "slots/19/checkpoint-5077", "step": 5077, "updated_at": 1776680496}