Bump react-scripts from 4.0.2 to 4.0.3 (#1480)

Bumps [react-scripts](https://github.com/facebook/create-react-app/tree/HEAD/packages/react-scripts) from 4.0.2 to 4.0.3.
- [Release notes](https://github.com/facebook/create-react-app/releases)
- [Changelog](https://github.com/facebook/create-react-app/blob/master/CHANGELOG.md)
- [Commits](https://github.com/facebook/create-react-app/commits/react-scripts@4.0.3/packages/react-scripts)

Signed-off-by: dependabot[bot] <support@github.com>

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

frontend/package.json

@@ -30,7 +30,7 @@
     "react-dom": "17.0.1",
     "react-markdown": "5.0.3",
     "react-refresh": "0.9.0",
-    "react-scripts": "4.0.2",
+    "react-scripts": "4.0.3",
     "recharts": "2.0.7",
     "rss-parser": "3.11.0",
     "socket.io-client": "2.3.1",