testing/py3-pep8-naming: upgrade to 0.13.0
https://github.com/PyCQA/pep8-naming/blob/main/CHANGELOG.rst#0130---2022-06-22=
Python 3.7 or later is now required.
setUpModule and tearDownModule are now exempted by default.
https://github.com/PyCQA/pep8-naming/blob/main/CHANGELOG.rst#0130---2022-06-22=
Python 3.7 or later is now required.
setUpModule and tearDownModule are now exempted by default.