Bump @fortawesome/fontawesome-free from 6.6.0 to 6.7.2 (#3663)

Bumps [@fortawesome/fontawesome-free](https://github.com/FortAwesome/Font-Awesome) from 6.6.0 to 6.7.2.
- [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@6.6.0...6.7.2)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -9,7 +9,7 @@
     "build:css": "sass ./app/assets/stylesheets/application.sass.scss:./app/assets/builds/application.css --no-source-map --load-path=node_modules"
   },
   "dependencies": {
-    "@fortawesome/fontawesome-free": "^6.6.0",
+    "@fortawesome/fontawesome-free": "^6.7.2",
     "@rails/actiontext": "^7.1.3",
     "@rails/activestorage": "^6.1.710",
     "@rails/ujs": "^6.1.710",