Added obsolete converter for react-a11y-no-onchange#1199

JoshuaKGoldberg merged 1 commit intomaintypescript-eslint/tslint-to-eslint-config:mainfrom

react-a11y-no-onchange-obsoletetypescript-eslint/tslint-to-eslint-config:react-a11y-no-onchange-obsoleteCopy head branch name to clipboard