Add Infrared entity support to MQTT integration

[cipi1965]

Integration name

MQTT

Link to integration documentation on our website

https://www.home-assistant.io/integrations/mqtt/

Describe the enhancement

Currently MQTT integration does not support the new Infrared transmitter entity

Use cases

I've got some Zigbee-based Infrared transmitters and use Zigbee2MQTT app

Anything else?

No response

[github-actions[bot]]

🏷️ I've automatically added the integration: mqtt label to help categorize this feature request.