support for AbortController

[nicks]

From https://axios-http.com/docs/cancellation:

Starting from v0.22.0 Axios supports AbortController to cancel requests in fetch API way.

But as far as I can tell, this library only mocks the old cancelToken-based API:
#59

Would you be open to also supporting AbortController?

[FlorianCassayre]

Spent an hour setting up this library only to realize that it did not even support the AbortController.

[JAspeling]

Is this not what is used for aborting?

axios-mock-adapter/src/index.js

Line 133 in 4492f3c

abortRequest: function () {