build(deps): bump bensampo/laravel-enum from 6.6.3 to 6.7.0

Bumps [bensampo/laravel-enum](https://github.com/BenSampo/laravel-enum) from 6.6.3 to 6.7.0.
- [Changelog](https://github.com/BenSampo/laravel-enum/blob/master/CHANGELOG.md)
- [Commits](BenSampo/laravel-enum@v6.6.3...v6.7.0)

---
updated-dependencies:
- dependency-name: bensampo/laravel-enum
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>