Bump i18n-js from 3.0.11 to 3.1.0

Bumps [i18n-js](https://github.com/fnando/i18n-js) from 3.0.11 to 3.1.0.
- [Release notes](https://github.com/fnando/i18n-js/releases)
- [Changelog](https://github.com/fnando/i18n-js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/fnando/i18n-js/compare/v3.0.11...v3.1.0)

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

Gemfile

@@ -5,7 +5,7 @@ git_source(:github) { |repo_name| "https://github.com/#{repo_name}.git" }
 gem 'rails', '~> 3.2.22'
 gem 'rails-i18n', '~> 3.0.0'
 gem 'i18n', '~> 0.6.11'
-gem 'i18n-js', '~> 3.0.0'
+gem 'i18n-js', '~> 3.1.0'
 
 # Patched version. See http://rubysec.com/advisories/CVE-2015-5312/.
 gem 'nokogiri', '>= 1.6.7.1'

Gemfile.lock

@@ -484,7 +484,7 @@ GEM
       multi_json (~> 1.0)
       multi_xml
     i18n (0.6.11)
-    i18n-js (3.0.11)
+    i18n-js (3.1.0)
       i18n (>= 0.6.6, < 2)
     immigrant (0.3.6)
       activerecord (>= 3.0)
@@ -792,7 +792,7 @@ DEPENDENCIES
   guard-rspec (~> 4.7.3)
   haml
   i18n (~> 0.6.11)
-  i18n-js (~> 3.0.0)
+  i18n-js (~> 3.1.0)
   immigrant
   jquery-migrate-rails
   jquery-rails