FUP of https://issues.redhat.com/browse/SDN-3814 to implement and get it reviewed.
(B)ANP: Add num_anp && num_banp metrics
Add (B)ANP ACL/AddressSet count metrics
Add more metrics for (B)ANP feature
openshift/ovn-kubernetes#2132: OCPBUGS-31409,SDN-4688,SDN-4606: Downstream Merge April 18th 2024