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

Build failed. https://zuul.opendev.org/t/openstack/buildset/f672a77279464d22b27532c3dd0cbc... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/46cac35468044684adb767b6d3ab6551 : POST_FAILURE in 3m 15s - openstack-tox-py38 https://zuul.opendev.org/t/openstack/build/82ae9c83998e4d6fa5552fd779996a82 : SUCCESS in 3m 08s - openstack-tox-py39 https://zuul.opendev.org/t/openstack/build/62f339a457d74cd3bbe4a1fda9324368 : SUCCESS in 3m 24s