build(deps-dev): bump vite from 6.0.11 to 6.1.6 in /frontend (#3886)

Bumps [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite) from 6.0.11 to 6.1.6.
- [Release notes](https://github.com/vitejs/vite/releases)
- [Changelog](https://github.com/vitejs/vite/blob/v6.1.6/packages/vite/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite/commits/v6.1.6/packages/vite)

---
updated-dependencies:
- dependency-name: vite
  dependency-version: 6.1.6
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

frontend/package.json

@@ -69,7 +69,7 @@
     "postcss": "^8.5.1",
     "prettier": "^3.4.2",
     "terser": "^5.37.0",
-    "vite": "^6.0.11",
+    "vite": "^6.1.6",
     "vite-plugin-compression2": "^1.0.0",
     "vue-tsc": "^2.2.0"
   },