Add IE versions for SVGUnitTypes API (#10395)
Add IE versions for SVGUnitTypes API (#10395)

This PR adds real values for Internet Explorer for the `SVGUnitTypes` API, based upon results from the [mdn-bcd-collector](https://mdn-bcd-collector.appspot.com) project (v3.0.2).  Results are manually confirmed for accuracy.

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