fix: align ripple entry timestamps with catalog top-level updated_at

Author: chordpli

extensions/catalog.community.json

@@ -1717,8 +1717,8 @@
       "verified": false,
       "downloads": 0,
       "stars": 0,
-      "created_at": "2026-04-19T00:00:00Z",
-      "updated_at": "2026-04-19T00:00:00Z"
+      "created_at": "2026-04-20T00:00:00Z",
+      "updated_at": "2026-04-20T00:00:00Z"
     },
     "scope": {
       "name": "Spec Scope",