
Follow the last efforts to make Neutron compatible with sqlalchemy-20 (see [1]), and use the necessary context for all SQL transactions. Also make tempest job non-voting until [2] merges. [1] https://review.opendev.org/c/openstack/neutron-lib/+/828738 [2] https://review.opendev.org/c/openstack/neutron-tempest-plugin/+/842113 Closes-Bug: #1973757 Change-Id: I5aef8683df55b0825181e57257f0b71887315e52