Optional[customOptional[unknownOptionalauthOptionalendpointsActual Kubernetes and configuration version.
Version has format <major>.<minor>.<patch>-nebius-cp.<infra_version> like
"1.30.0-nebius-cp.3", where <major>.<minor>.<patch> is Kubernetes version and <infra_version> is version of control plane
infrastructure and configuration, updating of which may include bug fixes, security updates and new features of components running on
control plane, like CCM or Cluster Autoscaler.
Number of instances in etcd cluster.