[package_info_plus] Kotlin Gradle Plugin (KGP) causes Flutter built-in Kotlin warning

[stefanBid]

Description

package_info_plus v10.1.0 still applies id("kotlin-android") in its
Android build configuration.

Starting from Flutter 3.41+, this triggers the following warning at build time:

WARNING: Your app uses the following plugins that apply Kotlin Gradle Plugin (KGP):
package_info_plus
Future versions of Flutter will fail to build if your app uses plugins that apply KGP.

Expected behavior

The plugin should migrate to Flutter's Built-in Kotlin support by removing the
explicit id("kotlin-android") plugin application and relying on Flutter's
dev.flutter.flutter-gradle-plugin to handle Kotlin internally.

References

• Flutter migration guide for plugin authors:
  https://docs.flutter.dev/release/breaking-changes/migrate-to-built-in-kotlin/for-plugin-authors

Environment

• Flutter: 3.44.0
• package_info_plus: 10.1.0
• Dart: 3.11.0