Bump i18n from 1.8.3 to 1.12.0

Bumps [i18n](https://github.com/ruby-i18n/i18n) from 1.8.3 to 1.12.0.
- [Release notes](https://github.com/ruby-i18n/i18n/releases)
- [Changelog](https://github.com/ruby-i18n/i18n/blob/master/CHANGELOG.md)
- [Commits](https://github.com/ruby-i18n/i18n/compare/v1.8.3...v1.12.0

)

---
updated-dependencies:
- dependency-name: i18n
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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