[Openstack-stable-maint] Stable check of openstack/oslo.serialization for ref refs/heads/stable/victoria failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/77765407be5447598270a16ae3d6a8... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e85d11b0880741618e5e43c7107d67fa : TIMED_OUT in 31m 05s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8084c53802e6442ab43fa802afb564f5 : SUCCESS in 2m 49s - openstack-tox-py38 https://zuul.opendev.org/t/openstack/build/b66df24e12f14ddfab1a893275f4dc60 : TIMED_OUT in 40m 45s