Upload workers/solo-worker/latest.json with huggingface_hub

workers/solo-worker/latest.json

@@ -1 +1 @@
-{"worker_id": "solo-worker", "checkpoint": "shared/checkpoints/latest", "step": 280, "updated_at": 1774271160}
+{"worker_id": "solo-worker", "checkpoint": "shared/checkpoints/latest", "step": 554, "updated_at": 1774274694}