Actual Kubernetes and configuration version.
Version have format <major>.<minor>.<patch>-nebius-cp.<infra_version> like "1.30.0-nebius-cp.3".
Where .. is Kubernetes version and <infra_version> is version of control plane infrastructure and configuration,
which update 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.