Update ve-pagination.less

Solve the occasional garbled problem caused by ···

Author: wchbrad

packages/style/ve-pagination.less

@@ -114,7 +114,7 @@
 
     .ve-pagination-jump-prev:after,
     .ve-pagination-jump-next:after {
-        content: "•••";
+        content: "\2022\2022\2022";
         display: block;
         letter-spacing: 1px;
         color: #666;