[Snyk] Security upgrade mad_rubocop from 4.0.0.rc2 to 4.0.0#53

sskousen wants to merge 1 commit intomastermxenabled/widget-post-message-definitions:masterfrom

snyk-fix-3b08b792a670f8386e3cb12f229babcemxenabled/widget-post-message-definitions:snyk-fix-3b08b792a670f8386e3cb12f229babceCopy head branch name to clipboard