Merge pull request #7052 from Homebrew/dependabot/bundler/Library/Homebrew/rubocop-0.80.0

Library/.rubocop_shared.yml

Library/Homebrew/Gemfile.lock

Library/Homebrew/cask/cask.rb

Library/Homebrew/cask/config.rb

Library/Homebrew/cask/dsl/conflicts_with.rb

Library/Homebrew/formula.rb

Library/Homebrew/linkage_checker.rb

Library/Homebrew/test/rubocop_spec.rb

Library/Homebrew/utils/bottles.rb

Library/Homebrew/vendor/bundle/bundler/setup.rb

...ndle/ruby/2.6.0/gems/rexml-3.2.4/lib/rexml/attlistdecl.rb

...bundle/ruby/2.6.0/gems/rexml-3.2.4/lib/rexml/attribute.rb

...dor/bundle/ruby/2.6.0/gems/rexml-3.2.4/lib/rexml/cdata.rb

...dor/bundle/ruby/2.6.0/gems/rexml-3.2.4/lib/rexml/child.rb

...r/bundle/ruby/2.6.0/gems/rexml-3.2.4/lib/rexml/comment.rb

...r/bundle/ruby/2.6.0/gems/rexml-3.2.4/lib/rexml/doctype.rb

.../bundle/ruby/2.6.0/gems/rexml-3.2.4/lib/rexml/document.rb

.../ruby/2.6.0/gems/rexml-3.2.4/lib/rexml/dtd/attlistdecl.rb

...r/bundle/ruby/2.6.0/gems/rexml-3.2.4/lib/rexml/dtd/dtd.rb

.../ruby/2.6.0/gems/rexml-3.2.4/lib/rexml/dtd/elementdecl.rb