Update Safari versions for SVGAnimatedLength API (#8195)
Update Safari versions for SVGAnimatedLength API (#8195)

This PR updates and corrects the real values for Safari (Desktop and iOS/iPadOS) for the `SVGAnimatedLength` API, based upon results from the [mdn-bcd-collector](https://mdn-bcd-collector.appspot.com) project (v1.1.8).  Results are manually confirmed for accuracy.

Tests Used: https://mdn-bcd-collector.appspot.com/tests/api/SVGAnimatedLength
chrisdavidmills/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data,mdn/browser-compat-data