chore: update PR template with copilot (#41529)

* chore: update PR template with copilot

* chore: update

.github/PULL_REQUEST_TEMPLATE.md

@@ -61,3 +61,18 @@ Describe changes from the user side, and list all potential break changes or oth
 - [ ] Demo is updated/provided or not needed
 - [ ] TypeScript definition is updated/provided or not needed
 - [ ] Changelog is provided or not needed
+
+---
+
+<!--
+Below are template for copilot to generate CR message.
+Please DO NOT modify it.
+-->
+
+### 🚀 Summary
+
+copilot:summary
+
+### 🔍 Walkthrough
+
+copilot:walkthrough

.github/PULL_REQUEST_TEMPLATE/pr_cn.md

@@ -61,3 +61,17 @@
 - [ ] 代码演示已提供或无须提供
 - [ ] TypeScript 定义已补充或无须补充
 - [ ] Changelog 已提供或无须提供
+
+---
+
+<!--
+以下为 copilot 自动生成的 CR 结果，请勿修改
+-->
+
+### 🚀 概述
+
+copilot:summary
+
+### 🔍 实现细节
+
+copilot:walkthrough