build(deps): bump react-hook-form from 7.77.0 to 7.85.0 in /frontend

Bumps [react-hook-form](https://github.com/react-hook-form/react-hook-form) from 7.77.0 to 7.85.0.
- [Release notes](https://github.com/react-hook-form/react-hook-form/releases)
- [Changelog](https://github.com/react-hook-form/react-hook-form/blob/master/CHANGELOG.md)
- [Commits](react-hook-form/react-hook-form@v7.77.0...v7.85.0)

---
updated-dependencies:
- dependency-name: react-hook-form
  dependency-version: 7.85.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

frontend/package.json

@@ -55,7 +55,7 @@
     "react": "^19.2.8",
     "react-day-picker": "^10.0.1",
     "react-dom": "^19.2.8",
-    "react-hook-form": "^7.77.0",
+    "react-hook-form": "^7.85.0",
     "react-hot-toast": "^2.5.0",
     "react-markdown": "^10.1.0",
     "react-resizable-panels": "^4.12.2",