Set supported django version to >=3.2, <4.2
setup.py: Set supported django version to >=3.2, <4.2, as that is what is supported by upstream: https://www.djangoproject.com/download/
setup.py: Set supported django version to >=3.2, <4.2, as that is what is supported by upstream: https://www.djangoproject.com/download/