Release Python only on new tag

Author: ChristopherRabotin

.github/workflows/python.yml

@@ -292,7 +292,7 @@ jobs:
         with:
           subject-path: 'wheels-*/*'
       - name: Publish to PyPI
-        # if: github.ref_type == 'tag'
+        if: github.ref_type == 'tag'
         uses: PyO3/maturin-action@v1
         env:
           MATURIN_PYPI_TOKEN: ${{ secrets.PYPI_API_TOKEN }}