Add Safari versions for SVGAnimationElement API (#8607)
Add Safari versions for SVGAnimationElement API (#8607)

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

Test Code Used: `http://mdn-bcd-collector.appspot.com/tests/api/SVGAnimationElement`
mdn/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data,chrisdavidmills/browser-compat-data