feat(Icon): add delete-o、sort、font、font-o、revoke icon (#7760)

packages/vant-icons/src/index.less

@@ -5,9 +5,9 @@
   font-family: 'vant-icon';
   font-style: normal;
   font-display: auto;
-  src: url('https://img.yzcdn.cn/vant/vant-icon-96970a.woff2') format('woff2'),
-    url('https://img.yzcdn.cn/vant/vant-icon-96970a.woff') format('woff'),
-    url('https://img.yzcdn.cn/vant/vant-icon-96970a.ttf') format('truetype');
+  src: url('https://img.yzcdn.cn/vant/vant-icon-84f687.woff2') format('woff2'),
+    url('https://img.yzcdn.cn/vant/vant-icon-84f687.woff') format('woff'),
+    url('https://img.yzcdn.cn/vant/vant-icon-84f687.ttf') format('truetype');
 }
 
 .van-icon {
@@ -299,6 +299,10 @@
   content: '\F043';
 }
 
+.van-icon-delete-o::before {
+  content: '\F0E9';
+}
+
 .van-icon-delete::before {
   content: '\F044';
 }
@@ -403,6 +407,14 @@
   content: '\F05C';
 }
 
+.van-icon-font-o::before {
+  content: '\F0EC';
+}
+
+.van-icon-font::before {
+  content: '\F0EB';
+}
+
 .van-icon-free-postage::before {
   content: '\F05D';
 }
@@ -735,6 +747,10 @@
   content: '\F0AD';
 }
 
+.van-icon-revoke::before {
+  content: '\F0ED';
+}
+
 .van-icon-scan::before {
   content: '\F0AE';
 }
@@ -823,6 +839,10 @@
   content: '\F0C2';
 }
 
+.van-icon-sort::before {
+  content: '\F0EA';
+}
+
 .van-icon-star-o::before {
   content: '\F0C3';
 }