fix(posts): update "Cypress AI command"

Post: 2025-06-01-cypress-ai-command.md

Fix code block

Author: remarkablemark

_posts/2025/2025-06-01-cypress-ai-command.md

@@ -57,10 +57,13 @@ If you're running Chrome, disable `chromeWebSecurity` so the LLM requests aren't
 
 ```js
 // cypress.config.js
-import { defineConfig } from 'cypress';
-
-export default defineConfig({
+module.exports = defineConfig({
   chromeWebSecurity: false,
+  e2e: {
+    setupNodeEvents(on, config) {
+      // implement node event listeners here
+    },
+  },
 });
 ```