Bump i18n from 1.8.8 to 1.8.9 (#2266)

Bumps [i18n](https://github.com/ruby-i18n/i18n) from 1.8.8 to 1.8.9.
- [Release notes](https://github.com/ruby-i18n/i18n/releases)
- [Changelog](https://github.com/ruby-i18n/i18n/blob/master/CHANGELOG.md)
- [Commits](ruby-i18n/i18n@v1.8.8...v1.8.9)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Gemfile.lock

@@ -11,7 +11,7 @@ GEM
     coderay (1.1.3)
     concurrent-ruby (1.1.8)
     docile (1.3.2)
-    i18n (1.8.8)
+    i18n (1.8.9)
       concurrent-ruby (~> 1.0)
     json (2.3.0)
     method_source (1.0.0)