Bump @fortawesome/fontawesome-free from 6.2.0 to 6.4.2

Bumps [@fortawesome/fontawesome-free](https://github.com/FortAwesome/Font-Awesome) from 6.2.0 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@6.2.0...6.4.2)

---
updated-dependencies:
- dependency-name: "@fortawesome/fontawesome-free"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

package.json

@@ -1,7 +1,7 @@
 {
   "dependencies": {
     "@fontsource/open-sans": "5.0.15",
-    "@fortawesome/fontawesome-free": "6.2.0",
+    "@fortawesome/fontawesome-free": "6.4.2",
     "bootstrap": "5.2.2",
     "clipboard": "2.0.11",
     "emoji-js": "3.7.0",