build(deps): bump @fortawesome/free-regular-svg-icons (#75)

Bumps [@fortawesome/free-regular-svg-icons](https://github.com/FortAwesome/Font-Awesome) from 6.5.2 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@6.5.2...6.6.0)

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

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

package.json

@@ -30,7 +30,7 @@
     "gatsby-omni-font-loader": "^2.0.2",
     "@fortawesome/fontawesome-svg-core": "^6.6.0",
     "@fortawesome/free-brands-svg-icons": "^6.6.0",
-    "@fortawesome/free-regular-svg-icons": "^6.5.2",
+    "@fortawesome/free-regular-svg-icons": "^6.6.0",
     "@fortawesome/free-solid-svg-icons": "^6.6.0",
     "@fortawesome/react-fontawesome": "^0.2.2"
   },