tree 55600552b27151b0587e689a37df3d20feec8bc0
parent 3be0254144ebbb3cb419d252b01f0056e8fd34db
author Takashi Kajinami <kajinamit@oss.nttdata.com> 1729770746 +0900
committer Takashi Kajinami <kajinamit@oss.nttdata.com> 1729965677 +0900

Remove support for Pyton 3.8 and older

Python 3.6 and 3.7 are not supported any of active stable branches now,
so no longer need to be supported.

Also remove Python 3.8 support according to [1].

[1]
https://lists.openstack.org/archives/list/openstack-discuss@lists.openstack.org/thread/FOWV4UQZTH4DPDA67QDEROAESYU5Z3LE/

Also add a few new versions currently tested.

Change-Id: Ie2617cbd48d6ec1ca40614784f944a5d29cd3b57