chore: update plugin registry [skip ci]

Author: github-actions[bot]

registry.json

@@ -684,7 +684,7 @@
     {
       "id": "linux-wallpaperengine-controller",
       "name": "Linux WallpaperEngine Controller",
-      "version": "1.2.0",
+      "version": "1.2.1",
       "official": false,
       "author": "PaloMiku",
       "description": "Control linux-wallpaperengine from Noctalia with per-screen wallpaper selection.",
@@ -696,7 +696,7 @@
         "Panel",
         "Theming"
       ],
-      "lastUpdated": "2026-04-16T19:20:08+08:00"
+      "lastUpdated": "2026-04-22T19:54:38+08:00"
     },
     {
       "id": "lyrics-fetch",