Update date in json (#3022)

Co-authored-by: GitHub Actions <github-actions[bot]@users.noreply.github.com>

Author: community-scripts-pr-app[bot]

json/fluid-calendar.json

@@ -5,7 +5,7 @@
     19,
     0
   ],
-  "date_created": "2025-03-04",
+  "date_created": "2025-03-12",
   "type": "ct",
   "updateable": true,
   "privileged": false,