ci(tests): Publish to PyPI

Author: tony

.github/workflows/tests.yml

@@ -103,3 +103,15 @@ jobs:
     - uses: codecov/codecov-action@v2
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
+
+    - name: Build package
+      if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
+      run: poetry build
+
+    - name: Publish package
+      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 }}
+        skip_existing: true