[SECURITY] Fedora 40 Update: qt6-qtmqtt-6.7.1-1.fc40

MQTT is a machine-to-machine (M2M) protocol utilizing the publish-and-subsc ribe paradigm, and provides a channel with minimal communication overhead. The Qt MQTT module provides a standard compliant implementation of the MQTT protocol specification. It enables applications to act as telemetry displays and devices to publish telemetry data.