update CI

Author: gouarin

.github/workflows/deploy.yml

@@ -43,7 +43,7 @@ jobs:
       - name: Build
         run: npm run build
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v4
+        uses: actions/upload-pages-artifact@v3
         with:
           path: './_build/html'
       - name: Deploy to GitHub Pages