After months of beta tests, iPhone owners could be treated to a feature-packed free upgrade this week. Apple hasn’t confirmed the official release date for iOS 17.2, the next iteration of its hugely popular mobile operating system, but it’s likely to be very soon as developers are already testing the final version of the software update. Apple has squeezed several new features into the update, including new ways to customise MeMoji, a new Favourite Songs playlist in Apple Music, the long-awaited Journal app, and widgets with the current time for sunrise and sunset added to the Weather app. As …