chore: update plugin registry [skip ci]

Author: github-actions[bot]

registry.json

@@ -1133,6 +1133,22 @@
       "tags": [],
       "lastUpdated": "2026-03-29T19:05:12-04:00"
     },
+    {
+      "id": "ru-menu",
+      "name": "RU Menu",
+      "version": "1.0.0",
+      "official": false,
+      "author": "Kermut572",
+      "description": "A simple plugin that fetches the current, past, and future weeks menu for UCLouvain's Restaurants Universitaires",
+      "repository": "https://github.com/noctalia-dev/noctalia-plugins",
+      "minNoctaliaVersion": "3.6.0",
+      "license": "MIT",
+      "tags": [
+        "Bar",
+        "Panel"
+      ],
+      "lastUpdated": "2026-04-10T17:07:23+02:00"
+    },
     {
       "id": "saved-desktop-widgets",
       "name": "Saved Desktop Widgets",