build(deps-dev): bump vite from 6.0.7 to 6.0.9 in /frontend

Bumps [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite) from 6.0.7 to 6.0.9.
- [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/v6.0.9/packages/vite)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

frontend/package.json

@@ -21,6 +21,6 @@
         "postcss": "^8.4.49",
         "tailwindcss": "^3.3.2",
         "typescript": "^5.7.3",
-        "vite": "^6.0.4"
+        "vite": "^6.0.9"
     }
 }