chore(deps-dev): bump vite and @vitejs/plugin-vue in /quiz-app

Bumps [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite) and [@vitejs/plugin-vue](https://github.com/vitejs/vite-plugin-vue/tree/HEAD/packages/plugin-vue). These dependencies needed to be updated together.

Updates `vite` from 6.4.2 to 8.1.0
- [Release notes](https://github.com/vitejs/vite/releases)
- [Changelog](https://github.com/vitejs/vite/blob/main/packages/vite/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite/commits/create-vite@8.1.0/packages/vite)

Updates `@vitejs/plugin-vue` from 5.2.4 to 6.0.7
- [Release notes](https://github.com/vitejs/vite-plugin-vue/releases)
- [Changelog](https://github.com/vitejs/vite-plugin-vue/blob/main/packages/plugin-vue/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite-plugin-vue/commits/plugin-vue@6.0.7/packages/plugin-vue)

---
updated-dependencies:
- dependency-name: vite
  dependency-version: 8.1.0
  dependency-type: direct:development
- dependency-name: "@vitejs/plugin-vue"
  dependency-version: 6.0.7
  dependency-type: direct:development
...

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

quiz-app/package.json

@@ -14,9 +14,9 @@
     "vue-router": "^4.3.3"
   },
   "devDependencies": {
-    "@vitejs/plugin-vue": "^5.2.4",
+    "@vitejs/plugin-vue": "^6.0.7",
     "eslint": "^8.57.0",
     "eslint-plugin-vue": "^9.23.0",
-    "vite": "^6.4.2"
+    "vite": "^8.1.0"
   }
 }