Migrate Campaign SDK for iOS to 3.8.1

1. Migrate the SDK from 3.8.0 to 3.8.1

1. Replace AcousticMobilePush.xcframework with copy from 3.8.1 package.
2. Replace AcousticMobilePushNotification.xcframework with copy from 3.8.1 package.
3. Replace AcousticMobilePushWatch.xcframework with copy from 3.8.1 package.
4. Replace Plugin source with copy from 3.8.1 package. (The UIAlertView class changes are the largest part of this need.)
5. Clean and rebuild.

2. Change your base URL values

Find out how to change your URL values here.