Bump vite from 6.2.5 to 6.2.6 in /src/frontend (#9496)

Bumps [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite) from 6.2.5 to 6.2.6.
- [Release notes](https://github.com/vitejs/vite/releases)
- [Changelog](https://github.com/vitejs/vite/blob/v6.2.6/packages/vite/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite/commits/v6.2.6/packages/vite)

---
updated-dependencies:
- dependency-name: vite
  dependency-version: 6.2.6
  dependency-type: direct:development
...

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src/frontend/package.json

@@ -99,7 +99,7 @@
         "rollup": "^4.0.0",
         "rollup-plugin-license": "^3.5.3",
         "typescript": "^5.8.2",
-        "vite": "^6.2.5",
+        "vite": "^6.2.6",
         "vite-plugin-babel-macros": "^1.0.6",
         "vite-plugin-istanbul": "^6.0.2"
     }