Bump i18n from 1.9.1 to 1.12.0

Bumps [i18n](https://github.com/ruby-i18n/i18n) from 1.9.1 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](ruby-i18n/i18n@v1.9.1...v1.12.0)

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

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

Author: dependabot[bot]

Gemfile.lock

@@ -7,7 +7,7 @@ GEM
       minitest (>= 5.1)
       tzinfo (~> 2.0)
     ast (2.4.2)
-    bcrypt (3.1.16)
+    bcrypt (3.1.18)
     coderay (1.1.3)
     concurrent-ruby (1.1.10)
     connection_pool (2.2.5)
@@ -61,7 +61,7 @@ GEM
       dry-schema (~> 1.8, >= 1.8.0)
     factory_bot (6.2.0)
       activesupport (>= 5.0.0)
-    i18n (1.9.1)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     ice_nine (0.11.2)
     method_source (1.0.0)
@@ -82,8 +82,8 @@ GEM
     rack (2.2.4)
     rack-attack (6.6.0)
       rack (>= 1.0, < 3)
-    rack-test (1.1.0)
-      rack (>= 1.0, < 3)
+    rack-test (2.0.2)
+      rack (>= 1.3)
     rainbow (3.1.1)
     rake (13.0.6)
     redis (4.6.0)