Merge pull request #5 from cdisc-org/pypi_username

Update release.yml

.github/workflows/release.yml

@@ -21,7 +21,7 @@ jobs:
           pip install -r requirements.txt
       - name: Build and publish
         env:
-          TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
+          TWINE_USERNAME: ${{ vars.PYPI_USERNAME }}
           TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
         run: |
           python setup.py sdist bdist_wheel