build: bump react-modal in /ResearchAssistant/App/frontend

Bumps [react-modal](https://github.com/reactjs/react-modal) from 3.16.1 to 3.16.3.
- [Release notes](https://github.com/reactjs/react-modal/releases)
- [Changelog](https://github.com/reactjs/react-modal/blob/master/CHANGELOG.md)
- [Commits](reactjs/react-modal@v3.16.1...v3.16.3)

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

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

Author: dependabot[bot]

ResearchAssistant/App/frontend/package-lock.json

@@ -24,7 +24,7 @@
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-markdown": "^7.0.1",
-    "react-modal": "^3.16.1",
+    "react-modal": "^3.16.3",
     "react-router-dom": "^6.8.1",
     "react-uuid": "^2.0.0",
     "rehype-raw": "^7.0.0",