Update pubspec.yaml

Author: mustafaboleken

example/SampleProject/pubspec.yaml

@@ -33,7 +33,7 @@ dependencies:
     sdk: flutter
 
   file: ^6.1.4
-  flutter_webrtc: ^0.10.8
+  flutter_webrtc: ^0.12.1+hotfix.1
   permission_handler: ^11.0.0
   shared_preferences: ^2.0.15
   shared_preferences_macos: ^2.0.4