This commit updates the Android Gradle configuration:
* Bumps the Android Gradle Plugin version from 7.3.0 to 8.9.1.
* Upgrades the Kotlin Android plugin version from 1.7.10 to 2.1.0.
* Updates the Gradle wrapper distribution from version 7.6.3 to 8.11.1.
## Pre-launch Checklist
- [x] I read the [Flutter Style Guide] _recently_, and have followed its
advice.
- [x] I signed the [CLA].
- [x] I read the [Contributors Guide].
- [x] I have added sample code updates to the [changelog].
- [x] I updated/added relevant documentation (doc comments with `///`).
@ericwindmill
Co-authored-by: Eric Windmill <eric@ericwindmill.com>
Niaz Sagor
18e6d7579d