Update server/etcdserver/api/v3rpc/maintenance.go
Update server/etcdserver/api/v3rpc/maintenance.go

Co-authored-by: Marek Siarkowicz <9f956c2a1e7cd169054f80306812caa55966a1a9@protonmail.com>
rnaveiras/etcd,etcd-io/etcd,rnaveiras/etcd,mkumatag/etcd,ajityagaty/etcd,ajityagaty/etcd,etcd-io/etcd,rnaveiras/etcd,mqliang/etcd,etcd-io/etcd,mqliang/etcd,mkumatag/etcd,ajityagaty/etcd,mqliang/etcd,mkumatag/etcd