I'm trying to connect to `wss://ws.okx.com:8443/ws/v5/public` as a client and get error `remote error: tls: handshake failure`. Reason is this line https://github.com/lxzan/gws/blob/5c407ad8e047c7618f321de9b5180caf66002132/client.go#L59 should be ``` option.TlsConfig.ServerName = URL.Hostname() ``` because `URL.Host` includes port number, while `URL.Hostname()` does not