Exclude the Rakefile in Rubocop checks
Exclude the Rakefile in Rubocop checks

Rubocop insists to use ActiveSupports `strip_heredoc` but we don't and won't have ActiveSupport available in our `Rakefile`.

AlchemyCMS/alchemy_cms,mamhoff/alchemy_cms,mamhoff/alchemy_cms,AlchemyCMS/alchemy_cms,AlchemyCMS/alchemy_cms,mamhoff/alchemy_cms,robinboening/alchemy_cms,robinboening/alchemy_cms,robinboening/alchemy_cms