Ha-ffmpeg

What's Changed

* Drop loop argument (34) balloob
* Create Dependabot config file (31) dependabot-preview

Breaking change

The constructor now needs to be called from the event loop and the `loop` no longer needs to be passed in.

What's Changed

* Rework ffmpeg as own asyncio Popen (27) pvizeli

What's Changed

* Add FFVersion class to return ffmpeg version (26) awarecan

What's Changed

* Initialize sensor states 'off' (23) jjlawren
* Update Async style (24) pvizeli

- Bugfix `get_image`

- Fix exception on Test if they have a error
- Cast arguments for ffmpeg to string
- Remove shield handling -> move into home-assistant