Update to RuboCop 0.59.1.

Library/.rubocop.yml

Library/Homebrew/.rubocop.yml

Library/Homebrew/brew.rb

Library/Homebrew/build.rb

Library/Homebrew/cache_store.rb

Library/Homebrew/cask/artifact/abstract_flight_block.rb

Library/Homebrew/cask/artifact/abstract_uninstall.rb

Library/Homebrew/cask/artifact/binary.rb

Library/Homebrew/cask/artifact/moved.rb

Library/Homebrew/cask/artifact/pkg.rb

Library/Homebrew/cask/artifact/relocated.rb

Library/Homebrew/cask/artifact/symlinked.rb

Library/Homebrew/cask/audit.rb

Library/Homebrew/cask/cask.rb

Library/Homebrew/cask/cask_dependencies.rb

Library/Homebrew/cask/cask_loader.rb

Library/Homebrew/cask/cmd.rb

Library/Homebrew/cask/cmd/abstract_command.rb

Library/Homebrew/cask/cmd/audit.rb

Library/Homebrew/cask/cmd/doctor.rb