Update Versioneer for Python 3.12 compatibility

[hugovk]

This repo uses an old version of Versioneer, which uses the SafeConfigParser deprecated in Python 3.2 and to be removed in 3.12.

• gh-89336: Remove configparser APIs that were deprecated for 3.12 python/cpython#92503
• https://bugzilla.redhat.com/show_bug.cgi?id=2026354

Please update to the newest version of Versioneer for continued compatibility:

python -m pip install -U versioneer
versioneer install

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