chore: Bump phin and oslllo-svg-fixer in /font_scripts (#158)

Bumps [phin](https://github.com/ethanent/phin) to 3.7.1 and updates ancestor dependency [oslllo-svg-fixer](https://github.com/oslllo/svg-fixer). These dependencies need to be updated together.


Updates `phin` from 2.9.3 to 3.7.1
- [Commits](https://github.com/ethanent/phin/commits)

Updates `oslllo-svg-fixer` from 4.0.1 to 5.0.0
- [Release notes](https://github.com/oslllo/svg-fixer/releases)
- [Changelog](https://github.com/oslllo/svg-fixer/blob/master/CHANGELOG.md)
- [Commits](oslllo/svg-fixer@v4.0.1...v5.0.0)

---
updated-dependencies:
- dependency-name: phin
  dependency-type: indirect
- dependency-name: oslllo-svg-fixer
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Nico Vidoni <[email protected]>