SWI-4242 Fix env var (#181)

Author: ajrice6713

.github/workflows/deploy.yml

@@ -134,8 +134,7 @@ jobs:
           python setup.py sdist bdist_wheel
           twine upload dist/* -u __token__ -p $PYPI_API_KEY
         env:
-          PYPI_USERNAME: ${{ secrets.PYPI_USERNAME }}
-          PYPI_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+          PYPI_API_KEY: ${{ secrets.PYPI_API_KEY }}
 
       - uses: Bandwidth/build-notify-slack-action@v1.0.0
         if: always()