combine build and deploy into one job

.github/workflows/python-build.yml

@@ -15,23 +15,14 @@ jobs:
       run: python -m pip install .[dev] --upgrade pip
     - name: Test with pytest
       run: pytest
-
-  deploy:
-
-    if: startsWith(github.ref, 'refs/tags')
-    runs-on: ubuntu-latest
-
-    steps:
-    - name: Set up Python 3.8
-      uses: actions/setup-python@v2
-      with:
-        python-version: 3.8
     - name: Build package distribution
+      if: startsWith(github.ref, 'refs/tags')
       run: |
-        python -m pip install build --upgrade pip
+        python -m pip install build 
         python -m build --sdist --wheel --outdir dist/ .
     - name: Publish package distribution to PyPI
-      uses: pypa/gh-action-pypi-publish@main
+      if: startsWith(github.ref, 'refs/tags')
+      uses: pypa/gh-action-pypi-publish@master
       with:
         skip_existing: true
         user: __token__