update actions

.github/workflows/build.yml

@@ -28,13 +28,8 @@ jobs:
           pip install -U pip setuptools wheel
           pip install -r docs/requirements.txt
           sphinx-build -a docs/ docs/_build/html
-      - name: Archive documentation artifacts
-        uses: actions/upload-artifact@v4
-        with:
-          name: documentation-site
-          path: docs/_build/html
       - name: "GitHub Pages action"
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v3.9.3
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: docs/_build/html