[cinder] two priority reviews

Hello Cinder team, Please direct your attention to these patches, which address issues that are preventing OpenStack from upgrading to SQLAlchemy 1.4 [0]: - https://review.opendev.org/c/openstack/cinder/+/790796 - https://review.opendev.org/c/openstack/cinder/+/790797 Thanks! [0] https://review.opendev.org/c/openstack/requirements/+/788339/