feat(promotion): 新增：促销管理-促销任务，增加活动品项列

src/views/promotion/task/index.vue

@@ -241,6 +241,11 @@ const columns = ref([
     prop: 'activityPattern',
     width: 100
   },
+  {
+    label: '活动品项',
+    prop: 'prdClass',
+    width: 100
+  },
   {
     label: '任务状态',
     prop: 'approveStatus',