⬆ Bump react-error-boundary from 5.0.0 to 6.0.0 in /frontend (#1849)

Bumps [react-error-boundary](https://github.com/bvaughn/react-error-boundary) from 5.0.0 to 6.0.0.
- [Release notes](https://github.com/bvaughn/react-error-boundary/releases)
- [Commits](https://github.com/bvaughn/react-error-boundary/compare/5.0.0...6.0.0)

---
updated-dependencies:
- dependency-name: react-error-boundary
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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frontend/package.json

@@ -21,7 +21,7 @@
     "next-themes": "^0.4.6",
     "react": "^19.1.1",
     "react-dom": "^19.1.1",
-    "react-error-boundary": "^5.0.0",
+    "react-error-boundary": "^6.0.0",
     "react-hook-form": "7.62.0",
     "react-icons": "^5.5.0"
   },