chore(deps): bump actions/checkout from 4 to 7

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 7.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v7)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/deploy-server.yml

@@ -11,7 +11,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       # 上传 server/ 源码到服务器（服务器非 git 仓库，代码由 CI 同步）
       # 注意：rm 必须为 false —— 服务器上的 .env.production 为真实生产密钥，

.github/workflows/deploy-website.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
       # lfs: true 必需：beian.png / sponsor-qr.png 等由 Git LFS 托管（.gitattributes:
       # *.png filter=lfs），不拉取则为 131 字节指针文件，线上为坏图
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           lfs: true
 

.github/workflows/pr-check.yml

@@ -21,7 +21,7 @@ jobs:
       ai-gateway: ${{ steps.filter.outputs.ai-gateway }}
       website: ${{ steps.filter.outputs.website }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: dorny/paths-filter@v3
         id: filter
         with:
@@ -45,7 +45,7 @@ jobs:
     if: needs.changes.outputs.client == 'true'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v4
         with:
           node-version: 20
@@ -79,7 +79,7 @@ jobs:
       run:
         working-directory: server/sync-service
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-go@v5
         with:
           # Go 1.25 尚未发布，使用当前最新稳定版 1.24（截至 2026 年 8 月）
@@ -103,7 +103,7 @@ jobs:
       run:
         working-directory: server/ai-gateway
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v5
         with:
           python-version: '3.12'
@@ -129,7 +129,7 @@ jobs:
       run:
         working-directory: website
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v4
         with:
           node-version: 20

.github/workflows/release.yml

@@ -25,7 +25,7 @@ jobs:
   lint-test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v4
         with:
           node-version: 20
@@ -50,7 +50,7 @@ jobs:
       # *.png filter=lfs），不拉取则仅为 131 字节指针文件，
       # electron-builder 图标转换（PNG→ICO）解码失败，
       # 报 ERR_ELECTRON_BUILDER_CANNOT_EXECUTE。
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           lfs: true
       - uses: actions/setup-node@v4

.github/workflows/version-release.yml

@@ -27,7 +27,7 @@ jobs:
     if: ${{ !contains(github.event.head_commit.message, '[skip ci]') }}
     steps:
       - name: Checkout（拉取完整历史用于提交分析）
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
           persist-credentials: true