Add installation of twine to Action workflow

Author: dakotajunkman

.github/workflows/python-publish.yml

@@ -1,11 +1,3 @@
-# This workflow will upload a Python Package using Twine when a release is created
-# For more information see: https://help.github.com/en/actions/language-and-framework-guides/using-python-with-github-actions#publishing-to-package-registries
-
-# This workflow uses actions that are not certified by GitHub.
-# They are provided by a third-party and are governed by
-# separate terms of service, privacy policy, and support
-# documentation.
-
 name: Upload Python Package
 
 on:
@@ -29,7 +21,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install setuptools
+        python -m pip install setuptools twine
  
     - name: Build package
       run: python setup.py sdist