build(deps-dev): bump vite-plugin-vue-devtools in /2024-frontend

Bumps [vite-plugin-vue-devtools](https://github.com/vuejs/devtools/tree/HEAD/packages/vite) from 7.6.7 to 7.6.8.
- [Release notes](https://github.com/vuejs/devtools/releases)
- [Commits](https://github.com/vuejs/devtools/commits/v7.6.8/packages/vite)

---
updated-dependencies:
- dependency-name: vite-plugin-vue-devtools
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

2024-frontend/package.json

@@ -33,6 +33,6 @@
     "eslint-plugin-vue": "^9.32.0",
     "prettier": "^3.4.2",
     "vite": "^5.4.11",
-    "vite-plugin-vue-devtools": "^7.6.7"
+    "vite-plugin-vue-devtools": "^7.6.8"
   }
 }