Add Safari versions for XPathEvaluator API (#8643)
Add Safari versions for XPathEvaluator API (#8643)

This PR adds real values for Safari (Desktop and iOS/iPadOS) for the `XPathEvaluator` API, based upon manual testing.

Test Code Used: `'XPathEvaluator' in self`
mdn/browser-compat-data,chrisdavidmills/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data