chore(deps-dev): bump nuxt from 3.14.1592 to 3.21.7 in /nuxt-app

Bumps [nuxt](https://github.com/nuxt/nuxt/tree/HEAD/packages/nuxt) from 3.14.1592 to 3.21.7.
- [Release notes](https://github.com/nuxt/nuxt/releases)
- [Commits](https://github.com/nuxt/nuxt/commits/v3.21.7/packages/nuxt)

---
updated-dependencies:
- dependency-name: nuxt
  dependency-version: 3.21.7
  dependency-type: direct:development
...

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

Author: dependabot[bot]

nuxt-app/package.json

@@ -16,7 +16,7 @@
   "devDependencies": {
     "deepmerge": "4.3.1",
     "npm-check-updates": "18.3.1",
-    "nuxt": "3.14.1592",
+    "nuxt": "3.21.7",
     "sass": "1.98.0"
   },
   "dependencies": {