Remove Beast dependency from connect_op.hpp

Summary: resolves T15243

Reviewers: ivica

Reviewed By: ivica

Subscribers: iljazovic, miljen

Maniphest Tasks: T15243

Differential Revision: https://repo.mireo.local/D32561

test/unit/logger.cpp

@@ -26,6 +26,7 @@
 #include <async_mqtt5/mqtt_client.hpp>
 #include <async_mqtt5/logger.hpp>
 #include <async_mqtt5/logger_traits.hpp>
+#include <async_mqtt5/websocket.hpp>
 
 #include "test_common/message_exchange.hpp"
 #include "test_common/test_service.hpp"