py-setuptools: updated to 44.1.0

v44.1.0
* Set sys.argv[0] in setup script run by build_meta.__legacy__
* Fix for Python 4: replace unsafe six.PY3 with six.PY2
* Fixed a bug in the "setuptools.finalize_distribution_options" hook that lead to ignoring the order attribute of entry points managed by this hook.

(adam)