Add support for classic Bluetooth to bluetooth_proxy

[6543]

Component name

bluetooth_proxy

Link to component documentation on our website

https://esphome.io/components/bluetooth_proxy

Describe the enhancement

I would be nice if bluetooth_proxy could also be used to extend classic bluetooth connectivity bejond the homeassistant running PC

Use cases

connect bluetooth speakers to virtual hosted HaOS

Anything else?

No response

[github-actions[bot]]

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