new release: 1.2.2 (#266)

* bump version for flutter-webrtc.

* release: for 1.2.2.

* fix typo.

* fix analyzer.

pubspec.yaml

@@ -1,7 +1,7 @@
 name: livekit_client
 description: Flutter Client SDK for LiveKit.
   Build real-time video and audio into your apps. Supports iOS, Android, and Web.
-version: 1.2.1
+version: 1.2.2
 homepage: https://livekit.io
 
 environment:
@@ -23,11 +23,11 @@ dependencies:
   uuid: ^3.0.6
   synchronized: ^3.0.0+3
   protobuf: ^2.1.0
-  flutter_webrtc: 0.9.24
+  flutter_webrtc: 0.9.25
   flutter_window_close: ^0.2.2
   device_info_plus: ^8.0.0
-  webrtc_interface: 1.0.11
-  dart_webrtc: 1.0.15
+  webrtc_interface: 1.0.12
+  dart_webrtc: 1.0.16
   platform_detect: ^2.0.7
 
 dev_dependencies: