Updated 'public class field' support for Safari (#6413)
Updated 'public class field' support for Safari (#6413)

Updated 'public class field' support for Safari and Safari on iOS, as Apple implemented support in current beta version of Safari 14 shipped with macOS Big Sur.
mdn/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data,chrisdavidmills/browser-compat-data