chore(repo): add lints, update freezed, json_serializable

Signed-off-by: xsahil03x <[email protected]>

packages/stream_chat_flutter/lib/src/channel_info.dart

@@ -13,12 +13,12 @@ typedef ChannelInfo = StreamChannelInfo;
 class StreamChannelInfo extends StatelessWidget {
   /// Constructor which creates a [StreamChannelInfo] widget
   const StreamChannelInfo({
-    Key? key,
+    super.key,
     required this.channel,
     this.textStyle,
     this.showTypingIndicator = true,
     this.parentId,
-  }) : super(key: key);
+  });
 
   /// The channel about which the info is to be displayed
   final Channel channel;
@@ -138,7 +138,7 @@ class StreamChannelInfo extends StatelessWidget {
           ),
           TextButton(
             style: TextButton.styleFrom(
-              padding: const EdgeInsets.all(0),
+              padding: EdgeInsets.zero,
               tapTargetSize: MaterialTapTargetSize.shrinkWrap,
               visualDensity: const VisualDensity(
                 horizontal: VisualDensity.minimumDensity,