Update asset_flare.dart

[rowjoy]

You are applying Flutter's main Gradle plugin imperatively using the apply script method, which is deprecated and will be removed in a future release. Migrate to applying Gradle plugins with the declarative plugins block: https://flutter.dev/to/flutter-gradle-plugin-apply

/C:/Users/Mobile%20Apps/AppData/Local/Pub/Cache/hosted/pub.dev/flare_flutter-3.0.2/lib/provider/asset_flare.dart:25:23: Error: The method 'hashValues' isn't defined for the class 'AssetFlare'.

• 'AssetFlare' is from 'package:flare_flutter/provider/asset_flare.dart' ('/C:/Users/Mobile%20Apps/AppData/Local/Pub/Cache/hosted/pub.dev/flare_flutter-3.0.2/lib/provider/asset_flare.dart').
  Try correcting the name to the name of an existing method, or defining a method named 'hashValues'.
  int get hashCode => hashValues(bundle, name);
  ^^^^^^^^^^
  Target kernel_snapshot_program failed: Exception
  2

FAILURE: Build failed with an exception.

• What went wrong:
  Execution failed for task ':app:compileFlutterBuildDebug'.

Process 'command 'C:\flutter\flutter\bin\flutter.bat'' finished with non-zero exit value 1

Solved this error work for me .....
int get hashCode => hashValues(bundle, name);
int get hashCode => Object.hash(bundle, name);