Podspec version updated

Update podspec version

Updated podspec version to 1.2.1

Merge pull request izyumkin#14 from izyumkin/feature/welcomeSwiftUI

Welcome SwiftUI

Added adaptation of the size of the picker elements to the size of th…

…e device screen

Setup Unicode 15.0 in iOS 16.4 support

Updated podspec version

Fixed a bug with the separator display in the skin tone selection ele…

…ment

Add new version in podspec file

Fixed bundle extension