build(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](actions/checkout@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>

Author: dependabot[bot]

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

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout your repository using git
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup pnpm
         uses: pnpm/action-setup@v4.2.0
       - name: Install dependencies

.github/workflows/check-article.yml

@@ -16,7 +16,7 @@ jobs:
     permissions:
       issues: 'write'
     steps:
-      - uses: 'actions/checkout@v5'
+      - uses: 'actions/checkout@v6'
         with:
           ref: 'main'
       - name: 'Report'

.github/workflows/deploy.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout your repository using git
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install, build, and upload your site
         uses: withastro/action@v5
         env:

.github/workflows/update-article.yml

@@ -19,7 +19,7 @@ jobs:
     permissions:
       issues: 'write'
     steps:
-      - uses: 'actions/checkout@v5'
+      - uses: 'actions/checkout@v6'
         with:
           ref: 'main'
           ssh-key: '${{ secrets.ARTICLE_DEPLOY_KEY }}'