域名服务器节点服务找到 22 个接口
计算需要升级的NS节点数量
countAllUpgradeNSNodesWithNSClusterId
POST
/NSNodeService/countAllUpgradeNSNodesWithNSClusterId原始定义
rpc countAllUpgradeNSNodesWithNSClusterId (CountAllUpgradeNSNodesWithNSClusterIdRequest) returns (RPCCountResponse);