Bump font-awesome-rails from 4.7.0.8 to 4.7.0.9

Bumps [font-awesome-rails](https://github.com/bokmann/font-awesome-rails) from 4.7.0.8 to 4.7.0.9.
- [Release notes](https://github.com/bokmann/font-awesome-rails/releases)
- [Changelog](https://github.com/bokmann/font-awesome-rails/blob/master/CHANGELOG.md)
- [Commits](bokmann/font-awesome-rails@v4.7.0.8...v4.7.0.9)

---
updated-dependencies:
- dependency-name: font-awesome-rails
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -216,8 +216,8 @@ GEM
       ffi (>= 1.15.5)
       rake
     flutie (2.2.0)
-    font-awesome-rails (4.7.0.8)
-      railties (>= 3.2, < 8.0)
+    font-awesome-rails (4.7.0.9)
+      railties (>= 3.2, < 9.0)
     formatador (0.2.5)
     formtastic (5.0.0)
       actionpack (>= 6.0.0)