[desktop_webview_window] bump version to 0.2.2

Author: boyan01

packages/desktop_webview_window/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.2.2
+
+* fix memory leak on macOS after close webview window.
+
 ## 0.2.1
 
 * add Windows attentions to readme.

packages/desktop_webview_window/example/pubspec.lock

@@ -55,7 +55,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.2.1"
+    version: "0.2.2"
   fake_async:
     dependency: transitive
     description:

packages/desktop_webview_window/pubspec.yaml

@@ -1,10 +1,10 @@
 name: desktop_webview_window
 description: Show a webview window on your flutter desktop application.
-version: 0.2.1
+version: 0.2.2
 homepage: https://github.com/MixinNetwork/flutter-plugins/tree/main/packages/desktop_webview_window
 
 environment:
-  sdk: ">=2.14.0 <3.0.0"
+  sdk: ">=2.14.0 <4.0.0"
   flutter: ">=2.5.0"
 
 dependencies: