Merge pull request #887 from vue-a11y/dependabot/github_actions/actions/checkout-4

chore(deps): bump actions/checkout from 3 to 4

Author: github-actions[bot]

Diff for: .github/workflows/docs.yml

@@ -10,7 +10,7 @@ jobs:
   docs:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0