re-order the imports in kubeadm

Signed-off-by: XinYang <xinydev@gmail.com>

Update cmd/kubeadm/app/cmd/join.go

Co-authored-by: Lubomir I. Ivanov <neolit123@gmail.com>

cmd/kubeadm/app/features/features.go

@@ -22,9 +22,10 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/pkg/errors"
 	"k8s.io/apimachinery/pkg/util/version"
 	"k8s.io/component-base/featuregate"
+
+	"github.com/pkg/errors"
 )
 
 const (