Update Safari 12.1 to be current release (#3872)
Update Safari 12.1 to be current release (#3872)

Source: https://en.wikipedia.org/wiki/Safari_version_history#Safari_12
mdn/browser-compat-data,mdn/browser-compat-data,chrisdavidmills/browser-compat-data,chrisdavidmills/browser-compat-data