update slot resume pointers for step 8084

slots/8/latest.json

@@ -1 +1 @@
-{"worker_id": "slot:8", "checkpoint": "slots/8/checkpoint-5992", "step": 5992, "updated_at": 1776740822}
+{"worker_id": "slot:8", "checkpoint": "slots/8/checkpoint-8084", "step": 8084, "updated_at": 1776775318}