fix: Update Export2Excel.js (#4191)

Export2Excel.js 代码第 83 行报错，找不到属性 XLSX.utils

src/vendor/Export2Excel.js

@@ -1,6 +1,6 @@
 /* eslint-disable */
 import { saveAs } from 'file-saver'
-import XLSX from 'xlsx'
+import * as XLSX from 'xlsx'
 
 function generateArray(table) {
   var out = [];