Bump @fortawesome/fontawesome-free from 6.4.0 to 6.4.2

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:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -3,7 +3,7 @@
     "private": true,
     "license": "GPL-2.0-or-later",
     "devDependencies": {
-        "@fortawesome/fontawesome-free": "^6.4.0",
+        "@fortawesome/fontawesome-free": "^6.4.2",
         "sass": "^1.64.2",
         "vite": "^4.4.8"
     },