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

Build failed. https://zuul.opendev.org/t/openstack/buildset/32f3f290980941d999822e14a05ab3... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/184486017e1d4c788eb4b7cfb5d47146 : TIMED_OUT in 31m 07s - openstack-tox-py38 https://zuul.opendev.org/t/openstack/build/33e1d08aa442487d93b9ff0758a4978d : SUCCESS in 17m 52s - openstack-tox-py39 https://zuul.opendev.org/t/openstack/build/ae7fe49c358e4a80af49ae688fae2ee5 : SUCCESS in 13m 43s