Update python-publish.yml

update username and secret name

Author: xwli-chelsea

.github/workflows/python-publish.yml

@@ -24,8 +24,8 @@ jobs:
         pip install setuptools wheel twine
     - name: Build and publish
       env:
-        TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
-        TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+        TWINE_USERNAME: xwli
+        TWINE_PASSWORD: ${{ secrets.pypi_password }}
       run: |
         python setup.py sdist bdist_wheel
         twine upload dist/*