Bump i18n from 1.12.0 to 1.13.0 (#2756)

Bumps [i18n](https://github.com/ruby-i18n/i18n) from 1.12.0 to 1.13.0.
- [Release notes](https://github.com/ruby-i18n/i18n/releases)
- [Changelog](https://github.com/ruby-i18n/i18n/blob/master/CHANGELOG.md)
- [Commits](ruby-i18n/i18n@v1.12.0...v1.13.0)

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

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

Gemfile.lock

@@ -11,7 +11,7 @@ GEM
  coderay (1.1.3)
  concurrent-ruby (1.2.2)
  docile (1.4.0)
- i18n (1.12.0)
+ i18n (1.13.0)
  concurrent-ruby (~> 1.0)
  json (2.6.3)
  method_source (1.0.0)