chore: Make sure we don't actually update to 4.2
chore: Make sure we don't actually update to 4.2

We're supporting 4.2 and higher, so the other fixes are all we really needed.
ReactiveX/RxJS,martinsik/rxjs,ReactiveX/RxJS,ReactiveX/rxjs,ReactiveX/rxjs,ReactiveX/RxJS,ReactiveX/rxjs,ReactiveX/RxJS,ReactiveX/rxjs,martinsik/rxjs,martinsik/rxjs,martinsik/rxjs