Bump font-awesome-sass from 4.3.2.1 to 4.7.0
Bump font-awesome-sass from 4.3.2.1 to 4.7.0

Bumps [font-awesome-sass](https://github.com/FortAwesome/font-awesome-sass) from 4.3.2.1 to 4.7.0.
- [Release notes](https://github.com/FortAwesome/font-awesome-sass/releases)
- [Commits](https://github.com/FortAwesome/font-awesome-sass/compare/4.3.2.1...4.7.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
alpinelab/website,alpinelab/website,alpinelab/website