Update pypi-publish.yml

Author: SilanHe

.github/workflows/pypi-publish.yml

@@ -68,4 +68,5 @@ jobs:
       - name: Publish release distributions to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
+          repository-url: https://test.pypi.org/legacy/
           packages-dir: dist/