[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/9d9f116150f5421eb2e5f3b4dbecd4... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/383f079414314ceb9295a1d15913bbf2 : TIMED_OUT in 30m 55s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b9fb22ff32074756b16f46645bb93535 : SUCCESS in 2m 27s - openstack-tox-py38 https://zuul.opendev.org/t/openstack/build/f76a7856002d4c398dc51ab852e554b8 : TIMED_OUT in 40m 48s