* [PS-1312] Updated Android Target and Framework to Android12 and updated new SplashScreen for Android12
* PS-1312 Changed PendingIntents mutability
* PS-1312 Removed unused imports
* PS-1312 Added method to helper to add mutability option according to Android version
* PS-1312 Renamed helper method AddPendingIntentMutability and fixed validation
* PS-1312 Improved PendingIntentMutability method from helper readability and naming
* Dynamic theme switching and visual tweaks
* update action runner to use macos-11 for iOS 15 support
* additional tweaks
* refinements
* refinements
* formatting and tweaks
* first pass with iOS 13+ support
* tweaks for ios pre-13
* Added Android support for dark/light splash & detection with default theme
* update cipher cell text color on system theme change (android)
