build: bump react-router and react-router-dom in /code/frontend

Bumps [react-router](https://github.com/remix-run/react-router/tree/HEAD/packages/react-router) to 7.5.2 and updates ancestor dependency [react-router-dom](https://github.com/remix-run/react-router/tree/HEAD/packages/react-router-dom). These dependencies need to be updated together.


Updates `react-router` from 7.2.0 to 7.5.2
- [Release notes](https://github.com/remix-run/react-router/releases)
- [Changelog](https://github.com/remix-run/react-router/blob/main/packages/react-router/CHANGELOG.md)
- [Commits](https://github.com/remix-run/react-router/commits/[email protected]/packages/react-router)

Updates `react-router-dom` from 7.2.0 to 7.5.2
- [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/[email protected]/packages/react-router-dom)

---
updated-dependencies:
- dependency-name: react-router
  dependency-version: 7.5.2
  dependency-type: indirect
- dependency-name: react-router-dom
  dependency-version: 7.5.2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

code/frontend/package-lock.json

@@ -24,7 +24,7 @@
         "react": "^18.3.1",
         "react-dom": "^18.3.1",
         "react-markdown": "^9.1.0",
-        "react-router-dom": "^7.1.5",
+        "react-router-dom": "^7.5.3",
         "rehype-raw": "^7.0.0",
         "remark-gfm": "^4.0.0",
         "remark-supersub": "^1.0.0",