fix(no-export-in-script-setup): update fixable

Author: chouchouji

Diff for: lib/rules/no-export-in-script-setup.js

@@ -20,7 +20,7 @@ module.exports = {
       categories: ['vue3-essential', 'vue2-essential'],
       url: 'https://eslint.vuejs.org/rules/no-export-in-script-setup.html'
     },
-    fixable: [],
+    fixable: 'code',
     schema: [],
     messages: {
       forbidden: '`<script setup>` cannot contain ES module exports.'