update slot resume pointers for step 5052

slots/6/latest.json

@@ -1 +1 @@
-{"worker_id": "slot:6", "checkpoint": "slots/6/checkpoint-4297", "step": 4297, "updated_at": 1776563703}
+{"worker_id": "slot:6", "checkpoint": "slots/6/checkpoint-5052", "step": 5052, "updated_at": 1776680463}