Bump nuxt from 3.11.2 to 3.12.4 in /frontend

Bumps [nuxt](https://github.com/nuxt/nuxt/tree/HEAD/packages/nuxt) from 3.11.2 to 3.12.4.
- [Release notes](https://github.com/nuxt/nuxt/releases)
- [Commits](https://github.com/nuxt/nuxt/commits/v3.12.4/packages/nuxt)

---
updated-dependencies:
- dependency-name: nuxt
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

frontend/package.json

@@ -30,7 +30,7 @@
     "eslint": "^8.0.0",
     "eslint-plugin-vue": "^9.24.1",
     "eslint-plugin-vuejs-accessibility": "^2.2.1",
-    "nuxt": "^3.11.2",
+    "nuxt": "^3.12.4",
     "nuxt-icon": "^0.6.10",
     "playwright": "1.45.1",
     "prettier": "^3.2.5",