Bump vite from 6.3.3 to 6.3.4 in /frontend

Bumps [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite) from 6.3.3 to 6.3.4.
- [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/v6.3.4/packages/vite)

---
updated-dependencies:
- dependency-name: vite
  dependency-version: 6.3.4
  dependency-type: direct:development
...

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

Author: dependabot[bot]

frontend/package-lock.json

@@ -116,7 +116,7 @@
     "terser": "5.37.0",
     "typescript": "5.7.2",
     "typescript-eslint": "^8.31.0",
-    "vite": "6.3.3",
+    "vite": "6.3.4",
     "vitest": "^3.1.2"
   }
 }