* Move parts of ssdp to async_upnp_client
* Fix test for environments with multiple sources
* Fix sonos tests
* More fixes/changes
* More fixes
* Use async_upnp_client==0.21.0
* Pylint/test fixes
* More changes after review
* Fix tests
* Improve testing
* Fix mypy
* Fix yamaha_musiccast tests?
* Changes after review
* Pylint
* Reduce calls to combined_headers
* Update to async_upnp_client==0.21.1
* Update to async_upnp_client==0.21.2
* use as_dict
Co-authored-by: J. Nick Koston <nick@koston.org>
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