Bump @fortawesome/fontawesome-free from 5.15.4 to 6.4.2

Bumps [@fortawesome/fontawesome-free](https://github.com/FortAwesome/Font-Awesome) from 5.15.4 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@5.15.4...6.4.2)

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

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

Author: dependabot[bot]

package-lock.json

@@ -44,7 +44,7 @@
     "@angular/cli": "^16.0.4",
     "@angular/compiler-cli": "^16.0.4",
     "@angular/language-service": "^16.0.4",
-    "@fortawesome/fontawesome-free": "^5.13.3",
+    "@fortawesome/fontawesome-free": "^6.4.2",
     "@types/jasmine": "~3.6.10",
     "@types/jasminewd2": "~2.0.8",
     "@types/jest": "^29.5.2",