[Openstack-stable-maint] Stable check of openstack/keystone for ref refs/heads/stable/xena failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/ed8f6a27d65a4afcb42910466394d7... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0d869d831f364923840f9321b4f6637b : SUCCESS in 14m 08s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1f3765d5e1d84f8882490ad087ab5478 : TIMED_OUT in 40m 45s - openstack-tox-py38 https://zuul.opendev.org/t/openstack/build/b9f367d4cd5348c8978548f1d92f931a : SUCCESS in 13m 03s