Migrate Campaign SDK for Flutter

When migrating the Flutter app from SDK version 3.8.5 to 3.8.6, complete the following steps:

1. Download the 3.8.6 Flutter project.
2. Open the plugins folder and copy the following folders:
   • flutter_acoustic_mobile_push
   • flutter_ios_notification_service
3. Open your project's plugins directory and remove the following folders:
   • flutter_acoustic_mobile_push
   • flutter_ios_notification_service
4. Paste your copied 3.8.6 folders into your project's plugins directory.
5. Clean up your project and update your package dependencies:
   a. Using terminal cd into your app directory.
   b. run flutter clean
   c. run flutter pub get
6. Clean and rebuild your project.