
From Zed cycle onwards, py36 support has been dropped, this migrate neutron-lib master testing by replacing openstack-tox-py36-with-neutron-lib-master with openstack-tox-py39-with-neutron-lib-master Depends-On: https://review.opendev.org/c/openstack/openstack-zuul-jobs/+/842646 Change-Id: Ic10aadbffd76b134e9a546dc1c29ca6116e45a92