add goimports format action (#3630)

Signed-off-by: Jeff <jeffzhang@yunify.com>

pkg/controller/cluster/util.go

@@ -18,6 +18,8 @@ package cluster
 
 import (
 	"fmt"
+	"strings"
+
 	"github.com/pkg/errors"
 	"k8s.io/apimachinery/pkg/api/meta"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -25,7 +27,6 @@ import (
 	kubeclient "k8s.io/client-go/kubernetes"
 	"k8s.io/client-go/rest"
 	"k8s.io/client-go/tools/clientcmd"
-	"strings"
 )
 
 // Default values for the federated group and version used by