Merge #94 from dependabot/github_actions/actions/checkout-4

Author: goerz

.github/workflows/clear_preview.yml

@@ -14,7 +14,7 @@ jobs:
       pages: write
     steps:
       - name: Checkout gh-pages branch
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: gh-pages
       - name: Delete preview and history + push changes