Update Micro Auth Protocol Buffer to use V2 (#1155)

auth/service/proto/auth.pb.micro.go

@@ -5,14 +5,14 @@ package go_micro_auth
 
 import (
 	fmt "fmt"
-	proto "github.com/golang/protobuf/proto"
 	math "math"
-)
 
-import (
 	context "context"
-	client "github.com/micro/go-micro/client"
-	server "github.com/micro/go-micro/server"
+
+	proto "github.com/golang/protobuf/proto"
+
+	client "github.com/micro/go-micro/v2/client"
+	server "github.com/micro/go-micro/v2/server"
 )
 
 // Reference imports to suppress errors if they are not otherwise used.