Upload artifact to v4

Author: MarcelGeo

.github/workflows/python_packages.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Build sdist
         run: python setup.py sdist
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           path: dist/*.tar.gz