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

Build failed. https://zuul.opendev.org/t/openstack/buildset/683aa851739c4145aebec4929e2878... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e89f3652fb2a4d7abeb6837a78322ce7 : TIMED_OUT in 30m 57s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/36b945c365034d64b3ff7339b9e6eba2 : SUCCESS in 2m 52s - openstack-tox-py38 https://zuul.opendev.org/t/openstack/build/688ad67cee6148b7bd1f89549e7765d2 : TIMED_OUT in 40m 42s