build(deps-dev): bump vite from 7.1.9 to 7.1.12 in /frontend

Bumps [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite) from 7.1.9 to 7.1.12.
- [Release notes](https://github.com/vitejs/vite/releases)
- [Changelog](https://github.com/vitejs/vite/blob/v7.1.12/packages/vite/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite/commits/v7.1.12/packages/vite)

---
updated-dependencies:
- dependency-name: vite
  dependency-version: 7.1.12
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

frontend/package.json

@@ -84,7 +84,7 @@
     "tailwindcss": "^4.1.14",
     "typescript": "~5.9.3",
     "typescript-eslint": "^8.46.0",
-    "vite": "^7.1.9",
+    "vite": "^7.1.12",
     "vite-plugin-static-copy": "^3.1.3",
     "vite-tsconfig-paths": "^5.1.4"
   },