Update python-publish.yml

trying different approach to using __token__ as username.

Author: tcrick

.github/workflows/python-publish.yml

@@ -24,7 +24,7 @@ jobs:
         pip install setuptools wheel twine
     - name: Build and publish
       env:
-        TWINE_USERNAME: ${{ __token__ }}
+        TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
         TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
       run: |
         python setup.py sdist bdist_wheel