Fix GitHub actions issues

[hugodahl]

Fixing action issues from Infrastructure issues list for GitHub action failures

[evaherrada]

@tannewt If I remember correctly this is an issue with the python version in build.yml. Do you happen to remember which version is the right one to use (I'll make sure to make a note of it somewhere so I don't forget)

[dhalbert]

@tannewt If I remember correctly this is an issue with the python version in build.yml. Do you happen to remember which version is the right one to use (I'll make sure to make a note of it somewhere so I don't forget)

You need at least 3.7

[evaherrada]

Cool. That's what I suspected it was. Thanks!

[evaherrada]

Not really sure about the current failure

[dhalbert]

Not really sure about the current failure

This is bleak trying to use bluetoothctl without checking for it not being there. I'll check on this.

[dhalbert]

Uncomment and change this line to this new version in docs/conf.py:

autodoc_mock_imports = ["bleak", "digitalio", "busio"]

[evaherrada]

Will do. Thanks!