[CLOUDOPS-356] allow provide ports

[ricolin]

ports will allow to set multiple networks to workers.
ports needs to be set in cluster label.
For example

openstack coe cluster template create   --image $(openstack image show ubuntu-2204-kube-${version}s -c id -f value)   --external-network public   --dns-nameserver 8.8.8.8   --master-lb-enabled   --master-flavor m1.medium   --flavor m1.medium   --network-driver calico   --docker-storage-driver overlay2   --coe kubernetes   --fixed-network private   --fixed-subnet private-subnet   --label kube_tag=${version}   --label fixed_subnet_cidr=192.168.2.0/24  --label ports='[{"fixedIPs": [{"subnet": {"id": "1119851d-f971-47db-9224-cf4152f80e04"}}, {"subnet": {"id": "4053c226-808b-4ddf-ad52-f1e41eeb3aab"}}]}]' --keypair key   k8s-${version}-ports

Depends-On: #452