update slot resume pointers for step 8059

slots/19/latest.json

@@ -1 +1 @@
-{"worker_id": "slot:19", "checkpoint": "slots/19/checkpoint-6196", "step": 6196, "updated_at": 1776740432}
+{"worker_id": "slot:19", "checkpoint": "slots/19/checkpoint-8059", "step": 8059, "updated_at": 1776775210}