version bump

lib/src/channel_header.dart

@@ -157,6 +157,9 @@ class ChannelHeader extends StatelessWidget implements PreferredSizeWidget {
         child: Icon(
           Icons.arrow_back_ios,
           size: 15,
+          color: Theme.of(context).brightness == Brightness.dark
+              ? Colors.white
+              : Colors.black,
         ),
       ),
     );