build: bump i18n from 1.6.0 to 1.7.0 in /Library/Homebrew

Bumps [i18n](https://github.com/svenfuchs/i18n) from 1.6.0 to 1.7.0.
- [Release notes](https://github.com/svenfuchs/i18n/releases)
- [Changelog](https://github.com/ruby-i18n/i18n/blob/master/CHANGELOG.md)
- [Commits](https://github.com/svenfuchs/i18n/compare/v1.6.0...v1.7.0

)

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