Merge pull request #6530 from reitermarkus/update-gems

Library/.rubocop_shared.yml

Library/Homebrew/Gemfile

Library/Homebrew/Gemfile.lock

Library/Homebrew/cmd/info.rb

Library/Homebrew/debrew.rb

Library/Homebrew/dev-cmd/audit.rb

Library/Homebrew/dev-cmd/bottle.rb

Library/Homebrew/formula.rb

Library/Homebrew/messages.rb

Library/Homebrew/rubocops/cask/homepage_matches_url.rb

...ary/Homebrew/rubocops/cask/homepage_url_trailing_slash.rb

Library/Homebrew/rubocops/cask/no_dsl_version.rb

Library/Homebrew/rubocops/cask/stanza_order.rb

Library/Homebrew/test/cask/artifact/alt_target_spec.rb

Library/Homebrew/test/cask/artifact/two_apps_correct_spec.rb

Library/Homebrew/test/cask/depends_on_spec.rb

Library/Homebrew/test/cask/dsl_spec.rb

Library/Homebrew/test/diagnostic_checks_spec.rb

Library/Homebrew/test/rubocops/cask/stanza_grouping_spec.rb

Library/Homebrew/test/rubocops/cask/stanza_order_spec.rb