Bump @fortawesome/fontawesome-free from 6.4.0 to 6.4.2 in /ui (#294)

Bumps [@fortawesome/fontawesome-free](https://github.com/FortAwesome/Font-Awesome) from 6.4.0 to 6.4.2.
- [Release notes](https://github.com/FortAwesome/Font-Awesome/releases)
- [Changelog](https://github.com/FortAwesome/Font-Awesome/blob/6.x/CHANGELOG.md)
- [Commits](FortAwesome/Font-Awesome@6.4.0...6.4.2)

---
updated-dependencies:
- dependency-name: "@fortawesome/fontawesome-free"
  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>

ui/package.json

@@ -14,7 +14,7 @@
     "build:tailwind": "tailwind build src/assets/styles/index.css -o src/assets/styles/tailwind.css"
   },
   "dependencies": {
-    "@fortawesome/fontawesome-free": "6.4.0",
+    "@fortawesome/fontawesome-free": "6.4.2",
     "@headlessui/vue": "1.7.15",
     "@meforma/vue-toaster": "1.3.0",
     "@popperjs/core": "2.11.8",