chore(deps): update dependency @nuxt/ui to v3

Author: renovate[bot]

frontend/package.json

@@ -27,7 +27,7 @@
   "devDependencies": {
     "@nuxt/devtools": "latest",
     "@nuxt/image": "1.10.0",
-    "@nuxt/ui": "2.21.1",
+    "@nuxt/ui": "3.0.2",
     "@nuxtjs/eslint-config-typescript": "12.1.0",
     "@nuxtjs/i18n": "8.5.5",
     "@types/node": "22.14.1",