Bump i18n from 0.7.0 to 0.9.5

Bumps [i18n](https://github.com/ruby-i18n/i18n) from 0.7.0 to 0.9.5.
- [Release notes](https://github.com/ruby-i18n/i18n/releases)
- [Changelog](https://github.com/ruby-i18n/i18n/blob/master/CHANGELOG.md)
- [Commits](ruby-i18n/i18n@v0.7.0...v0.9.5)

---
updated-dependencies:
- dependency-name: i18n
  dependency-type: indirect
...

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

Gemfile.lock

@@ -128,7 +128,8 @@ GEM
       sass (>= 3.2)
     globalid (0.3.6)
       activesupport (>= 4.1.0)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jquery-rails (4.1.1)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)