v3 refactor (#1868)

* Move to v3

Co-authored-by: Ben Toogood <bentoogood@gmail.com>

registry/memory/memory.go

@@ -7,8 +7,8 @@ import (
 	"time"
 
 	"github.com/google/uuid"
-	"github.com/micro/go-micro/v2/logger"
-	"github.com/micro/go-micro/v2/registry"
+	"github.com/micro/go-micro/v3/logger"
+	"github.com/micro/go-micro/v3/registry"
 )
 
 var (

registry/memory/memory_test.go

@@ -6,7 +6,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/micro/go-micro/v2/registry"
+	"github.com/micro/go-micro/v3/registry"
 )
 
 var (

registry/memory/options.go

@@ -3,7 +3,7 @@ package memory
 import (
 	"context"
 
-	"github.com/micro/go-micro/v2/registry"
+	"github.com/micro/go-micro/v3/registry"
 )
 
 type servicesKey struct{}

registry/memory/util.go

@@ -3,7 +3,7 @@ package memory
 import (
 	"time"
 
-	"github.com/micro/go-micro/v2/registry"
+	"github.com/micro/go-micro/v3/registry"
 )
 
 func serviceToRecord(s *registry.Service, ttl time.Duration) *record {

registry/memory/watcher.go

@@ -3,7 +3,7 @@ package memory
 import (
 	"errors"
 
-	"github.com/micro/go-micro/v2/registry"
+	"github.com/micro/go-micro/v3/registry"
 )
 
 type Watcher struct {

registry/memory/watcher_test.go

@@ -3,7 +3,7 @@ package memory
 import (
 	"testing"
 
-	"github.com/micro/go-micro/v2/registry"
+	"github.com/micro/go-micro/v3/registry"
 )
 
 func TestWatcher(t *testing.T) {