chore(deps): bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [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/v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/Build_Image.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       # 读取 package.json 的版本号
       - name: Read package version

.github/workflows/npm.yml

@@ -11,7 +11,7 @@ jobs:
       contents: read
       packages: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       # 发布到 NPM Registry
       - name: Setup Node.js for NPM

.github/workflows/sync.yml

@@ -17,7 +17,7 @@ jobs:
     steps:
       # Step 1: run a standard checkout action
       - name: Checkout target repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       # Step 2: run the sync action
       - name: Sync upstream changes