message: fix: Bind pong timeout callback
diff: @@ -383,7 +383,7 @@ export class WebSocketClient extends EventEmitter {
  * Enforce a reconnect when not receiving any 'pong' from Coinbase Pro in time.
  * @see https://github.com/bennycode/coinbase-pro-node/issues/374
  */
  - this.pongTimeout = setTimeout(this.onPongTimeout, this.pongTime);
  + this.pongTimeout = setTimeout(this.onPongTimeout.bind(this), this.pongTime);
  }
  private onPongTimeout(): void {
  