Rakefile need this gem

--- a/Gemfile
+++ b/Gemfile
@@ -493,5 +493,8 @@
 # Apple plist parsing
 gem 'CFPropertyList'
 
+# This is required for Rakefile
+gem 'gitlab-dangerfiles'
+
 # For phone verification
 gem 'telesignenterprise', '~> 2.2'