Bump font-awesome-sass from 5.4.1 to 5.5.0
Bump font-awesome-sass from 5.4.1 to 5.5.0

Bumps [font-awesome-sass](https://github.com/FortAwesome/font-awesome-sass) from 5.4.1 to 5.5.0.
- [Release notes](https://github.com/FortAwesome/font-awesome-sass/releases)
- [Commits](https://github.com/FortAwesome/font-awesome-sass/compare/5.4.1...5.5.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
scott/helpy__helpdesk_knowledgebase,helpyio/helpy,scott/helpy__helpdesk_knowledgebase,helpyio/helpy,scott/helpy__helpdesk_knowledgebase,helpyio/helpy,helpyio/helpy