ignore upcoming warnings in webview_flutter_wkwebview (flutter#5856)

Author: a14n

packages/webview_flutter/webview_flutter_wkwebview/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.8.1
+
+* Ignores unnecessary import warnings in preparation for [upcoming Flutter changes](https://github.com/flutter/flutter/pull/104231).
+
 ## 2.8.0
 
 * Raises minimum Dart version to 2.17 and Flutter version to 3.0.0.

packages/webview_flutter/webview_flutter_wkwebview/example/integration_test/webview_flutter_test.dart

@@ -9,6 +9,8 @@
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
+// TODO(a14n): remove this import once Flutter 3.1 or later reaches stable (including flutter/flutter#104231)
+// ignore: unnecessary_import
 import 'dart:typed_data';
 
 import 'package:flutter/foundation.dart';

packages/webview_flutter/webview_flutter_wkwebview/lib/src/foundation/foundation.dart

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// TODO(a14n): remove this import once Flutter 3.1 or later reaches stable (including flutter/flutter#104231)
+// ignore: unnecessary_import
 import 'dart:typed_data';
 
 import 'package:flutter/foundation.dart';

packages/webview_flutter/webview_flutter_wkwebview/pubspec.yaml

@@ -2,7 +2,7 @@ name: webview_flutter_wkwebview
 description: A Flutter plugin that provides a WebView widget based on Apple's WKWebView control.
 repository: https://github.com/flutter/plugins/tree/main/packages/webview_flutter/webview_flutter_wkwebview
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+webview%22
-version: 2.8.0
+version: 2.8.1
 
 environment:
   sdk: ">=2.17.0 <3.0.0"