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

Build failed. https://zuul.opendev.org/t/openstack/buildset/3075c8809e894546be6eabe7a7a50e... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/810a5d5f36704f09af2e36cbd2fcbccc : TIMED_OUT in 31m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/18f0c0f42faa48cdb5f7eb5830e1f6f1 : SUCCESS in 5m 04s - openstack-tox-py38 https://zuul.opendev.org/t/openstack/build/d40a73ee33444571b4dd6b0e292d9a6f : SUCCESS in 23m 34s