build(deps): bump @fortawesome/free-brands-svg-icons from 6.5.1 to 6.6.0

Bumps [@fortawesome/free-brands-svg-icons](https://github.com/FortAwesome/Font-Awesome) from 6.5.1 to 6.6.0.
- [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@6.5.1...6.6.0)

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

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

package.json

@@ -18,7 +18,7 @@
   },
   "dependencies": {
     "@fortawesome/fontawesome-svg-core": "^6.6.0",
-    "@fortawesome/free-brands-svg-icons": "^6.5.1",
+    "@fortawesome/free-brands-svg-icons": "^6.6.0",
     "@fortawesome/free-solid-svg-icons": "^6.5.1",
     "@fortawesome/vue-fontawesome": "^2.0.10",
     "@gridsome/plugin-sitemap": "^0.4.0",