Bump react-router-dom from 6.8.0 to 6.11.2 in /frontend

Bumps [react-router-dom](https://github.com/remix-run/react-router/tree/HEAD/packages/react-router-dom) from 6.8.0 to 6.11.2.
- [Release notes](https://github.com/remix-run/react-router/releases)
- [Changelog](https://github.com/remix-run/react-router/blob/main/packages/react-router-dom/CHANGELOG.md)
- [Commits](https://github.com/remix-run/react-router/commits/react-router-dom@6.11.2/packages/react-router-dom)

---
updated-dependencies:
- dependency-name: react-router-dom
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

frontend/package.json

@@ -23,7 +23,7 @@
     "react-code-blocks": "^0.0.9-0",
     "react-dom": "^18.2.0",
     "react-flow-renderer": "^10.3.17",
-    "react-router-dom": "^6.3.0",
+    "react-router-dom": "^6.11.2",
     "react-scripts": "^5.0.1",
     "react-select": "^5.7.2",
     "react-spring": "^9.7.1",