Update action names

Author: mbeacom

.github/workflows/pypi-publish.yml

@@ -17,13 +17,13 @@ jobs:
         python-version: '3.7'
         architecture: 'x64'
     - name: Install dependencies
-      if: success()
+      if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags')
       run: |
         python -m pip install --upgrade pip
         pip install pipenv
         pipenv install --dev --pre --system --deploy
     - name: Build and publish the pypi package
-      if: success()
+      if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags')
       run: python3 setup.py upload
       env:
         TWINE_USER: __token__