Update requestPermissions typing (#35092)
Update requestPermissions typing (#35092)

Updated to match actual behavior described in RN docs: https://facebook.github.io/react-native/docs/pushnotificationios#requestpermissions
mcliment/DefinitelyTyped,dsebastien/DefinitelyTyped,georgemarshall/DefinitelyTyped,markogresak/DefinitelyTyped,dsebastien/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped