update slot resume pointers for step 7783

slots/14/latest.json

@@ -1 +1 @@
-{"worker_id": "slot:14", "checkpoint": "slots/14/checkpoint-6684", "step": 6684, "updated_at": 1776743098}
+{"worker_id": "slot:14", "checkpoint": "slots/14/checkpoint-7783", "step": 7783, "updated_at": 1776774098}