update slot resume pointers for step 8335

slots/3/latest.json

@@ -1 +1 @@
-{"worker_id": "slot:3", "checkpoint": "slots/3/checkpoint-7454", "step": 7454, "updated_at": 1776416391}
+{"worker_id": "slot:3", "checkpoint": "slots/3/checkpoint-8335", "step": 8335, "updated_at": 1776417901}