Add job to push a package for each new Git tag

.github/workflows/ci.yml

@@ -60,3 +60,31 @@ jobs:
       - name: Run pytest
         run: |
           pytest -v tests/test.py
+
+
+  build-and-push-package:
+    runs-on: ubuntu-latest
+    needs: [check-code-format, run-tests]
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Python 3.8
+        uses: actions/setup-python@v4
+        with:
+          python-version: 3.8
+
+      - name: Install dependencies
+        run: |
+          pip install wheel
+
+      - name: Build package
+        run: |
+          python3 setup.py sdist bdist_wheel
+
+      - name: Push package on PyPI
+        if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_API_TOKEN }}