ci(tests): Include publishing to pypi when tagged

Author: tony

.github/workflows/tests.yml

@@ -38,3 +38,14 @@ 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 }}