[webview]: Bump gradle from 3.3.0 to 7.2.1 in /packages/webview_flutter/webview_flutter_android/android (#5842)

diff --git a/packages/webview_flutter/webview_flutter_android/CHANGELOG.md b/packages/webview_flutter/webview_flutter_android/CHANGELOG.md
index 41a6fa2..70e9369 100644
--- a/packages/webview_flutter/webview_flutter_android/CHANGELOG.md
+++ b/packages/webview_flutter/webview_flutter_android/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.8.9
+
+* Updates Gradle to 7.2.1.
+
 ## 2.8.8
 
 * Minor fixes for new analysis options.
diff --git a/packages/webview_flutter/webview_flutter_android/android/build.gradle b/packages/webview_flutter/webview_flutter_android/android/build.gradle
index 37954b3..09579c4 100644
--- a/packages/webview_flutter/webview_flutter_android/android/build.gradle
+++ b/packages/webview_flutter/webview_flutter_android/android/build.gradle
@@ -8,7 +8,7 @@
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.3.0'
+        classpath 'com.android.tools.build:gradle:7.2.1'
     }
 }
 
diff --git a/packages/webview_flutter/webview_flutter_android/pubspec.yaml b/packages/webview_flutter/webview_flutter_android/pubspec.yaml
index 04da12f..873d3f7 100644
--- a/packages/webview_flutter/webview_flutter_android/pubspec.yaml
+++ b/packages/webview_flutter/webview_flutter_android/pubspec.yaml
@@ -2,7 +2,7 @@
 description: A Flutter plugin that provides a WebView widget on Android.
 repository: https://github.com/flutter/plugins/tree/main/packages/webview_flutter/webview_flutter_android
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+webview%22
-version: 2.8.8
+version: 2.8.9
 
 environment:
   sdk: ">=2.14.0 <3.0.0"