mill lock release run 42430562059-1 (no inference)

ledger/mill.lock

@@ -1 +1 @@
-{"run_id": "42430562059-1", "acquired_at": 1794098248.0739858, "expires_at": 1794104848.0739858}
+{"run_id": "42430562059-1", "acquired_at": 1794098248.0739858, "expires_at": 1794098308.049768, "released": true}