Update python-test-publish.yml

Author: lohanspies

.github/workflows/python-test-publish.yml

@@ -34,4 +34,4 @@ jobs:
         TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
       run: |
         python setup.py sdist bdist_wheel
-        twine upload dist/*
+        twine upload --repository testpypi dist/*