update slot resume pointers for step 469

slots/11/latest.json

@@ -1 +1 @@
-{"worker_id": "slot:11", "checkpoint": "slots/11/checkpoint-473", "step": 473, "updated_at": 1776387232}
+{"worker_id": "slot:11", "checkpoint": "slots/11/checkpoint-469", "step": 469, "updated_at": 1776387801}