Use actions/upload-pages-artifact@v3

Author: nsk90

.github/workflows/pages.yml

@@ -65,10 +65,8 @@ jobs:
         run: bundle exec jekyll build --baseurl "${{ steps.pages.outputs.base_path }}"
         env:
           JEKYLL_ENV: production
-      - name: List build output
-        run: ls -lR _site
       - name: Upload artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-pages-artifact@v3
         with:
           name: github-pages
           path: ./docs/_site