feat(@vant/icons): add minus icon

packages/vant-icons/src/config.js

@@ -1,14 +1,15 @@
 module.exports = {
   name: 'vant-icon',
   basic: [
-    'success',
-    'plus',
-    'cross',
-    'fail',
     'arrow',
     'arrow-left',
     'arrow-up',
     'arrow-down',
+    'success',
+    'cross',
+    'plus',
+    'minus',
+    'fail',
   ],
   outline: [
     // has corresponding filled icon

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-0c347b.woff2') format('woff2'),
-    url('https://img.yzcdn.cn/vant/vant-icon-0c347b.woff') format('woff'),
-    url('https://img.yzcdn.cn/vant/vant-icon-0c347b.ttf') format('truetype');
+  src: url('https://img.yzcdn.cn/vant/vant-icon-09002a.woff2') format('woff2'),
+    url('https://img.yzcdn.cn/vant/vant-icon-09002a.woff') format('woff'),
+    url('https://img.yzcdn.cn/vant/vant-icon-09002a.ttf') format('truetype');
 }
 
 .van-icon {
@@ -563,6 +563,10 @@
   content: '\F084';
 }
 
+.van-icon-minus::before {
+  content: '\F0E8';
+}
+
 .van-icon-more-o::before {
   content: '\F085';
 }