Update Versioneer to 0.22

[hugovk]

Versioneer used to use deprecated ConfigParser APIs which will be removed in Python 3.12:

• https://github.com/python/cpython/pull/92503
• https://bugzilla.redhat.com/show_bug.cgi?id=2028077

Let's update to the new one:

python -m pip install -U versioneer
versioneer install

• https://github.com/python-versioneer/python-versioneer#updating-versioneer

[matthew-brett]

Thanks for this. I'll merge here, then update to 0.23.