Bump actions/checkout from 6 to 7 in the actions-org group (#209)

Author: dependabot[bot]

.github/workflows/auto-publish.yml

@@ -10,7 +10,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: w3c/spec-prod@v2
         with:
           GH_PAGES_BRANCH: gh-pages