Fix wrong API endpoint for official PyPI (#784)

Author: Ickerday

.github/workflows/cd.yml

@@ -97,4 +97,4 @@ jobs:
       - name: Publish packages to PyPI
         uses: pypa/gh-action-pypi-publish@cef221092ed1bacb1cc03d23a2d87d1d172e277b
         with:
-          repository-url: https://pypi.org/legacy/
+          repository-url: https://upload.pypi.org/legacy/