Update upload artifacts to v4

Author: bcopy

.github/workflows/deploy.yml

@@ -26,7 +26,7 @@ jobs:
           cp README.md content
           jupyter lite build --contents content --output-dir dist
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v1
+        uses: actions/upload-pages-artifact@v3
         with:
           path: ./dist