v2.4.0 of web_socket_channel

2023-04-11T18:44:56.573941Z

2.4.0 was published on Apr 11, 2023.

Changelog excerpt:
- Add a `customClient`parameter to the `IOWebSocketChannel.connect`factory, which allows the user to provide a custom `HttpClient`instance to use for the WebSocket connection
- Bump minimum Dart version to 2.15.0