build: bump react-markdown in /ResearchAssistant/App/frontend (#330)

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
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

ResearchAssistant/App/frontend/package-lock.json

@@ -23,7 +23,7 @@
     "lodash-es": "^4.17.21",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
-    "react-markdown": "^9.0.1",
+    "react-markdown": "^9.0.3",
     "react-modal": "^3.16.3",
     "react-router-dom": "^7.1.1",
     "react-uuid": "^2.0.0",