Update flutter-webrtc to 0.9.19

Also remove BLUETOOTH_CONNECT permissions which are no longer needed.

example/android/app/src/main/AndroidManifest.xml

@@ -6,7 +6,6 @@
   <uses-permission android:name="android.permission.CAMERA" />
   <uses-permission android:name="android.permission.BLUETOOTH" android:maxSdkVersion="30" />
   <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" android:maxSdkVersion="30" />
-  <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
   <uses-permission android:name="android.permission.RECORD_AUDIO" />
   <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
   <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />

example/pubspec.lock

@@ -169,7 +169,7 @@ packages:
       name: flutter_webrtc
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.9.18"
+    version: "0.9.19"
   flutter_window_close:
     dependency: transitive
     description:
@@ -225,7 +225,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "1.1.10"
+    version: "1.1.11"
   logging:
     dependency: "direct main"
     description: