Bump faker from 2.3.0 to 2.4.0 (#11933)

Bumps [faker](https://github.com/faker-ruby/faker) from 2.3.0 to 2.4.0.
- [Release notes](https://github.com/faker-ruby/faker/releases)
- [Changelog](https://github.com/faker-ruby/faker/blob/master/CHANGELOG.md)
- [Commits](https://github.com/faker-ruby/faker/compare/v2.3.0...v2.4.0)

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

Gemfile

@@ -115,7 +115,7 @@ end
 group :test do
   gem 'capybara', '~> 3.29'
   gem 'climate_control', '~> 0.2'
-  gem 'faker', '~> 2.3'
+  gem 'faker', '~> 2.4'
   gem 'microformats', '~> 4.1'
   gem 'rails-controller-testing', '~> 1.0'
   gem 'rspec-sidekiq', '~> 3.0'

Gemfile.lock

@@ -231,7 +231,7 @@ GEM
       tzinfo
     excon (0.62.0)
     fabrication (2.20.2)
-    faker (2.3.0)
+    faker (2.4.0)
       i18n (~> 1.6.0)
     faraday (0.15.0)
       multipart-post (>= 1.2, < 3)
@@ -700,7 +700,7 @@ DEPENDENCIES
   doorkeeper (~> 5.2)
   dotenv-rails (~> 2.7)
   fabrication (~> 2.20)
-  faker (~> 2.3)
+  faker (~> 2.4)
   fast_blank (~> 1.0)
   fastimage
   fog-core (<= 2.1.0)