Merge pull request #31 from stackhpc/upstream/xena-2022-10-24

Synchronise xena with upstream

Author: markgoddard

tox.ini

@@ -52,6 +52,7 @@ commands = oslopolicy-sample-generator --config-file=etc/oslo-policy-generator/c
 
 [testenv:docs]
 deps = -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/xena}
+       -r{toxinidir}/requirements.txt
        -r{toxinidir}/doc/requirements.txt
 commands = sphinx-build -W --keep-going -b html doc/source doc/build/html