chore(deps-dev): bump vite from 7.3.6 to 8.2.1 in /packages/backoffice

Bumps [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite) from 7.3.6 to 8.2.1.
- [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/v8.2.1/packages/vite)

---
updated-dependencies:
- dependency-name: vite
  dependency-version: 8.2.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

packages/backoffice/package.json

@@ -59,7 +59,7 @@
     "@vitejs/plugin-react": "^5.0.4",
     "babel-plugin-react-compiler": "^1.0.0",
     "jsdom": "29.1.1",
-    "vite": "^7.3.6",
+    "vite": "^8.2.1",
     "vitest": "4.1.8",
     "web-vitals": "^5.1.0"
   }