Pin rubocop

Author: jdee

pattern_patch.gemspec

@@ -21,6 +21,6 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'rspec'
   spec.add_development_dependency 'rspec_junit_formatter'
   spec.add_development_dependency 'rspec-simplecov'
-  spec.add_development_dependency 'rubocop'
+  spec.add_development_dependency 'rubocop', '~> 0.50.0'
   spec.add_development_dependency 'simplecov'
 end