react-select: Add missing headingProps to ComponentProps (#43091)
react-select: Add missing headingProps to ComponentProps (#43091)

https://github.com/JedWatson/react-select/blob/master/packages/react-select/src/components/Group.js
dsebastien/DefinitelyTyped,mcliment/DefinitelyTyped,markogresak/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,dsebastien/DefinitelyTyped