Merge pull request #388 from alphagov/dependabot/bundler/rubocop-rspec-eq-2.30.0

Update rubocop-rspec requirement from = 2.29.2 to = 2.30.0

Author: MahmudH

rubocop-govuk.gemspec

@@ -19,5 +19,5 @@ Gem::Specification.new do |spec|
   spec.add_dependency "rubocop-ast", "1.31.3"
   spec.add_dependency "rubocop-rails", "2.25.0"
   spec.add_dependency "rubocop-rake", "0.6.0"
-  spec.add_dependency "rubocop-rspec", "2.29.2"
+  spec.add_dependency "rubocop-rspec", "2.30.0"
 end