3ddcb9ea45
* Remove the no longer needed workaround for deleting remnants of the
Mypy cache because this is fixed with this version.
* Also adjust USES=python accordingly, because Python 3.8 is no longer
present in the ports tree after ca15850a2b while I'm here.
Changelog:
https://github.com/mkdocstrings/autorefs/releases/tag/1.4.2