update slot resume pointers for step 7622

slots/18/latest.json

@@ -1 +1 @@
-{"worker_id": "slot:18", "checkpoint": "slots/18/checkpoint-5783", "step": 5783, "updated_at": 1776412602}
+{"worker_id": "slot:18", "checkpoint": "slots/18/checkpoint-7622", "step": 7622, "updated_at": 1776416681}