Bump @remix-run/router and react-router-dom in /app/frontend/simple-chat

Bumps [@remix-run/router](https://github.com/remix-run/react-router/tree/HEAD/packages/router) to 1.23.2 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 `@remix-run/router` from 1.14.2 to 1.23.2
- [Release notes](https://github.com/remix-run/react-router/releases)
- [Changelog](https://github.com/remix-run/react-router/blob/@remix-run/router@1.23.2/packages/router/CHANGELOG.md)
- [Commits](https://github.com/remix-run/react-router/commits/@remix-run/router@1.23.2/packages/router)

Updates `react-router-dom` from 6.21.3 to 6.30.3
- [Release notes](https://github.com/remix-run/react-router/releases)
- [Changelog](https://github.com/remix-run/react-router/blob/main/CHANGELOG.md)
- [Commits](https://github.com/remix-run/react-router/commits/react-router-dom@6.30.3/packages/react-router-dom)

---
updated-dependencies:
- dependency-name: "@remix-run/router"
  dependency-version: 1.23.2
  dependency-type: indirect
- dependency-name: react-router-dom
  dependency-version: 6.30.3
  dependency-type: direct:production
...

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Author: dependabot[bot]