chore(deps): bump @fortawesome/free-brands-svg-icons in /frontend (#554)

Bumps [@fortawesome/free-brands-svg-icons](https://github.com/FortAwesome/Font-Awesome) from 5.15.3 to 5.15.4.
- [Release notes](https://github.com/FortAwesome/Font-Awesome/releases)
- [Changelog](https://github.com/FortAwesome/Font-Awesome/blob/master/CHANGELOG.md)
- [Commits](FortAwesome/Font-Awesome@5.15.3...5.15.4)

---
updated-dependencies:
- dependency-name: "@fortawesome/free-brands-svg-icons"
  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>

frontend/package.json

@@ -46,7 +46,7 @@
     "typescript": "^4.3.5"
   },
   "dependencies": {
-    "@fortawesome/free-brands-svg-icons": "^5.15.3",
+    "@fortawesome/free-brands-svg-icons": "^5.15.4",
     "@headlessui/react": "^1.4.0",
     "@material-ui/core": "^4.12.3",
     "@material-ui/icons": "^4.11.2",