Add Safari versions for api.XMLHttpRequest.responseType (#12880)
Add Safari versions for api.XMLHttpRequest.responseType (#12880)

This PR adds real values for Safari (Desktop and iOS/iPadOS) for the `responseType` member of the `XMLHttpRequest` API, based upon commit history and date.

Commit: https://github.com/WebKit/WebKit/commit/d57b7f6a75c86eaf3afbe2ed83c247f867e62a3a ([WebKit 534.13.0](https://github.com/WebKit/WebKit/blob/d57b7f6a75c86eaf3afbe2ed83c247f867e62a3a/WebCore/Configurations/Version.xcconfig))

Co-authored-by: Philip Jägenstedt <3ba3974e96044dcde818e6310ed799abe10671d4@foolip.org>
mdn/browser-compat-data,chrisdavidmills/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data