Update deployment workflow

Author: mottosso

.github/workflows/deploy.yml

@@ -5,32 +5,24 @@ on:
     tags:
     - '*'
 
+# From https://docs.github.com/en/actions/guides/building-and-testing-python
 jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/setup-python@v2
-        with:
-          python-version: '3.7'
-          architecture: 'x64'
-
-        steps:
-          - task: UsePythonVersion@0
-            inputs:
-              versionSpec: "$(python.version)"
-            displayName: "Use Python $(python.version)"
-
-          - name: Deploy
-            run: |
-              pip install wheel twine
-              python setup.py sdist bdist_wheel
-              echo [distutils] > ~/.pypirc
-              echo index-servers=pypi >> ~/.pypirc
-              echo [pypi] >> ~/.pypirc
-              echo username=$PYPI_USERNAME >> ~/.pypirc
-              echo password=$PYPI_PASSWORD >> ~/.pypirc
-              twine upload dist/*
-
-            env:
-              PYPI_USERNAME: ${{ secrets.PYPI_USERNAME }}
-              PYPI_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+    - uses: actions/checkout@v2
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.x'
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install setuptools wheel twine
+    - name: Build and publish
+      env:
+        TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
+        TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+      run: |
+        python setup.py sdist bdist_wheel
+        twine upload dist/*