Update publish workflow to use python -m build for package creation

.github/workflows/publish.yml

@@ -25,6 +25,6 @@ jobs:
           pip install setuptools wheel
       - name: Build package
         run: |
-          python setup.py sdist bdist_wheel  # Could also be python -m build
+          python -m build # Could also be python setup.py sdist bdist_wheel
       - name: Publish package distributions to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1