bump fog-openstack to get https://github.com/sapcc/fog-openstack/commit/875b3c1b9f85c1f7a4ff3c0891acbff2ea3fa36a
bump fog-openstack to get https://github.com/sapcc/fog-openstack/commit/875b3c1b9f85c1f7a4ff3c0891acbff2ea3fa36a

sapcc/elektra,sapcc/elektra,sapcc/elektra,sapcc/elektra