chore: update deploy log for 21:30 UTC cron [skip ci]

Author: actions-user

data/deploy_log.jsonl

@@ -358,3 +358,4 @@
 {"date": "2026-07-09", "status": "success"}
 {"date": "2026-07-10", "status": "success"}
 {"date": "2026-07-11", "status": "success"}
+{"date": "2026-07-12", "status": "success"}