build(deps): bump react-resizable-panels in /frontend

Bumps [react-resizable-panels](https://github.com/bvaughn/react-resizable-panels) from 2.1.9 to 4.11.0.
- [Release notes](https://github.com/bvaughn/react-resizable-panels/releases)
- [Changelog](https://github.com/bvaughn/react-resizable-panels/blob/main/CHANGELOG.md)
- [Commits](https://github.com/bvaughn/react-resizable-panels/compare/2.1.9...4.11.0)

---
updated-dependencies:
- dependency-name: react-resizable-panels
  dependency-version: 4.11.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

frontend/package.json

@@ -58,7 +58,7 @@
     "react-hook-form": "^7.75.0",
     "react-hot-toast": "^2.5.0",
     "react-markdown": "^10.1.0",
-    "react-resizable-panels": "^2.1.7",
+    "react-resizable-panels": "^4.11.0",
     "recharts": "^2.15.0",
     "sonner": "^1.7.1",
     "tailwind-merge": "^2.5.5",