Bump actions/checkout from 2 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v2...v4)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/Code-review.yml

@@ -8,7 +8,7 @@ jobs:
     name: Code Review
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2 # 将代码库检出到 Runner 中
+      - uses: actions/checkout@v4 # 将代码库检出到 Runner 中
       - name: Setup Node.js
         uses: actions/setup-node@v2 # 安装 Node.js 运行环境和依赖项
         with:

.github/workflows/auto-merge.yml

@@ -25,7 +25,7 @@ jobs:
     # 步骤，包括代码 checkout、Node.js 环境设置、依赖安装、代码 lint、单元测试等操作
     steps:
       - name: Checkout code # 步骤名称为：Checkout code
-        uses: actions/checkout@v3 # 使用 actions/checkout 动作
+        uses: actions/checkout@v4 # 使用 actions/checkout 动作
 
       - name: Setup Node.js environment # 步骤名称为：Setup Node.js environment
         uses: actions/setup-node@v3 # 使用 actions/setup-node 动作安装 Node.js 环境

.github/workflows/build-and-deploy.yml

@@ -10,7 +10,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           persist-credentials: false