update yaml version to 0.2.2

example/pubspec.lock

@@ -82,7 +82,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.2.1"
+    version: "0.2.2"
   flutter_localizations:
     dependency: "direct main"
     description: flutter

pubspec.yaml

@@ -1,6 +1,6 @@
 name: flutter_ijkplayer
 description: Flutter version of bilibilibili ijkplayer, supports common playback protocols, easy to use.
-version: 0.2.1
+version: 0.2.2
 author: caijinglong<cjl_spy@163.com>
 homepage: https://github.com/CaiJingLong/flutter_ijkplayer