openstack-baremetal-operator-controller-manager pod crashes after OpenShift upgrade

Issue

• Upgrading the OpenShift cluster from version 4.16.10 to 4.16.12 caused openstack-baremetal-operator-controller-manager pod to be in CrashLoopBackOff status with the following error in the "manager" container log:

Reconciler error {"controller": "openstackbaremetalset", "controllerGroup": "baremetal.openstack.org", "controllerKind": "OpenStackBaremetalSet", "OpenStackBaremetalSet": {"name":"openstack1-data-plane-hci","namespace":"openstack"}, "namespace": "openstack", "name": "openstack1-data-plane-hci", "reconcileID": "3e038cca-f532-48e4-b4ea-9e249fb68b1a", "error": "Internal error occurred: failed calling webhook \"mopenstackprovisionserver.kb.io\": failed to call webhook: Post \"https://openstack-baremetal-operator-controller-manager-service.openstack-operators.svc:443/mutate-baremetal-openstack-org-v1beta1-openstackprovisionserver?timeout=10s\": no endpoints available for service \"openstack-baremetal-operator-controller-manager-service\""}
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).reconcileHandler
/remote-source/deps/gomod/pkg/mod/sigs.k8s.io/controller-runtime@v0.16.6/pkg/internal/controller/controller.go:329
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).processNextWorkItem
/remote-source/deps/gomod/pkg/mod/sigs.k8s.io/controller-runtime@v0.16.6/pkg/internal/controller/controller.go:266
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Start.func2.2
/remote-source/deps/gomod/pkg/mod/sigs.k8s.io/controller-runtime@v0.16.6/pkg/internal/controller/controller.go:227