update slot resume pointers for step 7783

slots/5/latest.json

@@ -1 +1 @@
-{"worker_id": "slot:5", "checkpoint": "slots/5/checkpoint-3063", "step": 3063, "updated_at": 1776407522}
+{"worker_id": "slot:5", "checkpoint": "slots/5/checkpoint-7783", "step": 7783, "updated_at": 1776416933}