switch to pages-specific artifact upload

Author: eteq

.github/workflows/build_pages.yml

@@ -35,7 +35,7 @@ jobs:
         run: python -m sphinx -T -b html -d _build/doctrees -D language=en . _build/html
 
       - name: Upload distribution artifacts
-        uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7.0.0
+        uses: actions/upload-pages-artifact@v5
         with:
           name: sphinx-html-site
           path: _build/html/