Bump coffee-rails from 4.0.1 to 4.2.2

Bumps [coffee-rails](https://github.com/rails/coffee-rails) from 4.0.1 to 4.2.2.
- [Release notes](https://github.com/rails/coffee-rails/releases)
- [Changelog](https://github.com/rails/coffee-rails/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rails/coffee-rails/compare/v4.0.1...v4.2.2)

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

Gemfile

@@ -108,7 +108,7 @@ gem 'whenever', require: false
 
 gem 'test-unit', '~> 3.3'
 
-gem 'coffee-rails', '~> 4.0.0'
+gem 'coffee-rails', '~> 4.2.2'
 gem 'compass-rails'
 
 gem 'mini_racer', '0.2.14'

Gemfile.lock

@@ -170,9 +170,9 @@ GEM
     cocaine (0.5.8)
       climate_control (>= 0.0.3, < 1.0)
     coderay (1.1.2)
-    coffee-rails (4.0.1)
+    coffee-rails (4.2.2)
       coffee-script (>= 2.2.0)
-      railties (>= 4.0.0, < 5.0)
+      railties (>= 4.0.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
@@ -713,7 +713,7 @@ DEPENDENCIES
   cancan (~> 1.6.10)
   capybara (>= 2.18.0)
   catalog!
-  coffee-rails (~> 4.0.0)
+  coffee-rails (~> 4.2.2)
   combine_pdf
   compass-rails
   custom_error_message!