fix etcd import path

Author: h8liu

register.go

@@ -17,8 +17,8 @@ import (
 	"strings"
 	"time"
 
-	etcd3 "github.com/coreos/etcd/clientv3"
-	"github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes"
+	etcd3 "go.etcd.io/etcd/clientv3"
+	"go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes"
 )
 
 var (

resolver.go

@@ -15,7 +15,7 @@ import (
 	"fmt"
 	"strings"
 
-	etcd3 "github.com/coreos/etcd/clientv3"
+	etcd3 "go.etcd.io/etcd/clientv3"
 	"google.golang.org/grpc/naming"
 )
 

watcher.go

@@ -14,8 +14,7 @@ import (
 	"context"
 	"fmt"
 
-	etcd3 "github.com/coreos/etcd/clientv3"
-	// "github.com/coreos/etcd/internal/mvcc/mvccpb"
+	etcd3 "go.etcd.io/etcd/clientv3"
 	"google.golang.org/grpc/naming"
 )