Bump react-markdown from 9.0.1 to 9.0.3 in /ui

Bumps [react-markdown](https://github.com/remarkjs/react-markdown) from 9.0.1 to 9.0.3.
- [Release notes](https://github.com/remarkjs/react-markdown/releases)
- [Changelog](https://github.com/remarkjs/react-markdown/blob/main/changelog.md)
- [Commits](remarkjs/react-markdown@9.0.1...9.0.3)

---
updated-dependencies:
- dependency-name: react-markdown
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

ui/package-lock.json

@@ -28,7 +28,7 @@
     "react": "^17.0.0",
     "react-dom": "^17.0.0",
     "react-hotkeys-hook": "^4.6.1",
-    "react-markdown": "^9.0.1",
+    "react-markdown": "^9.0.3",
     "react-router-dom": "^6.28.0",
     "react-scripts": "5.0.1",
     "react-syntax-highlighter": "^15.6.1",