Release 1.3.0 upgrades Kaluga to Kotlin 1.9.20

In addition, several minor improvements and fixes have been made

Common

• Added GUnit and Gal acceleration #710
• Fixed an issue where posting to a subject before observation started would cause inconsistent behaviour #723
• ViewModeltests now properly clean up the ViewModel being tested #725

Android

• Fixed a bug when launching an Activity using NavigationAction.ShowActivity #707

iOS

• Improvements to performance when disposing an observable #714
• Fixed Alert with ActionSheet style crashing on iPad #735
• Fixed iOS MediaPlayer going into incorrect state when being paused by the OS #737