chore: execute goimports to format the code (#7983)

* chore: execute goimports to format the code

Signed-off-by: promalert <promalert@outlook.com>

* goimports -w .

---------

Signed-off-by: promalert <promalert@outlook.com>
Co-authored-by: Chris Lu <chris.lu@gmail.com>

weed/mq/client/pub_client/publisher.go

@@ -1,6 +1,9 @@
 package pub_client
 
 import (
+	"log"
+	"sync"
+
 	"github.com/rdleal/intervalst/interval"
 	"github.com/seaweedfs/seaweedfs/weed/mq/pub_balancer"
 	"github.com/seaweedfs/seaweedfs/weed/mq/topic"
@@ -9,8 +12,6 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/util/buffered_queue"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials/insecure"
-	"log"
-	"sync"
 )
 
 type PublisherConfiguration struct {