Add Safari iOS versions for api.TextTrack.cuechange_event (#11052)
Add Safari iOS versions for api.TextTrack.cuechange_event (#11052)

This PR adds real values for Safari iOS/iPadOS for the `cuechange_event` member of the `TextTrack` API by mirroring the data.
chrisdavidmills/browser-compat-data,mdn/browser-compat-data,mdn/browser-compat-data,chrisdavidmills/browser-compat-data