Bump font_awesome_flutter from 10.3.0 to 10.4.0

Bumps [font_awesome_flutter](https://github.com/fluttercommunity/font_awesome_flutter) from 10.3.0 to 10.4.0.
- [Release notes](https://github.com/fluttercommunity/font_awesome_flutter/releases)
- [Changelog](https://github.com/fluttercommunity/font_awesome_flutter/blob/master/CHANGELOG.md)
- [Commits](fluttercommunity/font_awesome_flutter@10.3.0...10.4.0)

---
updated-dependencies:
- dependency-name: font_awesome_flutter
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]