chore: AGP 8 support

[Brazol]

This pull request includes several updates to the Android build configurations and dependencies, as well as some Dart code improvements. The most important changes include upgrading the Gradle and Android SDK versions, updating dependencies, and making code adjustments to align with the new versions.

Build configuration updates:

• Upgraded compileSdkVersion to 35 and updated sourceCompatibility and targetCompatibility to Java 17 in multiple build.gradle files. [1] [2] [3]
• Updated Gradle wrapper distribution URL to use version 8.4. [1] [2]
• Upgraded Android Gradle plugin to version 8.3.1 in multiple build.gradle files. [1] [2] [3]

Dependency updates:

• Updated stream_chat_flutter dependency to version 9.0.0 in pubspec.yaml.
• Updated thermal dependency to version 1.1.10 in pubspec.yaml.

Code improvements:

• Replaced whereNotNull with nonNulls in open_api_extensions.dart.
• Added null safety check for Bitmap.createBitmap in CircleTransform.kt.

Manifest file adjustments:

• Removed package attribute from multiple AndroidManifest.xml files. [1] [2] [3] [4] [5] [6] [7]