Add verbose flag to workflow

Author: FBumann

.github/workflows/python-app.yaml

@@ -82,7 +82,7 @@ jobs:
 
       - name: Upload to TestPyPI
         run: |
-          twine upload --repository testpypi dist/*
+          twine upload --repository testpypi dist/* --verbose
         env:
           TWINE_USERNAME: __token__
           TWINE_PASSWORD: ${{ secrets.TEST_PYPI_API_TOKEN }}