update slot resume pointers for step 10040

slots/7/latest.json

@@ -1 +1 @@
-{"worker_id": "slot:7", "checkpoint": "slots/7/checkpoint-8893", "step": 8893, "updated_at": 1776778618}
+{"worker_id": "slot:7", "checkpoint": "slots/7/checkpoint-10040", "step": 10040, "updated_at": 1776816121}