build(deps-dev): bump vite from 6.3.6 to 6.4.1 in /frontend

Bumps [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite) from 6.3.6 to 6.4.1.
- [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@6.4.1/packages/vite)

---
updated-dependencies:
- dependency-name: vite
  dependency-version: 6.4.1
  dependency-type: direct:development
...

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

frontend/package.json

@@ -71,7 +71,7 @@
     "postcss": "^8.5.6",
     "prettier": "^3.6.2",
     "terser": "^5.43.1",
-    "vite": "^6.3.6",
+    "vite": "^6.4.1",
     "vite-plugin-compression2": "^1.0.0",
     "vue-tsc": "^2.2.0"
   },