Merge "openstack-base: Pin tooz to 5.0.0"

Author: Zuul

docker/openstack-base/Dockerfile.j2

@@ -198,6 +198,10 @@ RUN ln -s openstack-base-source/*requirements* /requirements \
                     in venv (see https://launchpad.net/bugs/1961874).
 #}
     && {{ macros.upper_constraints_remove("ovs") }} \
+{# NOTE(mnasiadka): Override tooz to 5.0.0 - see
+                    https://review.opendev.org/c/openstack/tooz/+/911648
+#}
+    && {{ macros.upper_constraints_version_change('tooz', '6.0.0', '5.0.0') }} \
     && mkdir -p /var/lib/kolla \
     && python3 -m venv --system-site-packages /var/lib/kolla/venv