Bump octicons_helper from 4.3.0 to 7.3.0
Bump octicons_helper from 4.3.0 to 7.3.0

Bumps [octicons_helper](https://github.com/primer/octicons) from 4.3.0 to 7.3.0.
- [Release notes](https://github.com/primer/octicons/releases)
- [Changelog](https://github.com/primer/octicons/blob/master/CHANGELOG.md)
- [Commits](https://github.com/primer/octicons/commits)

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