ci/pkg: fix if for releasing nightly pkg

.github/workflows/release-nightly.yml

@@ -25,22 +25,22 @@ jobs:
 
     - name: Install dependencies
       run: python -m pip install --user --upgrade setuptools wheel
-    - name: Build
+    - name: Build package
       env:
         CONVERT_VERSION2NIGHTLY: "1"
       run: python setup.py sdist bdist_wheel
 
     # We do this, since failures on test.pypi aren't that bad
     - name: Publish to Test PyPI
-      if: startsWith(github.event.ref, 'refs/tags') || github.event_name == 'release'
+      if: github.event_name == 'schedule' || github.event_name == 'workflow_dispatch'
       uses: pypa/gh-action-pypi-publish@v1.8.14
       with:
         user: __token__
         password: ${{ secrets.test_pypi_password }}
         repository_url: https://test.pypi.org/legacy/
 
     - name: Publish distribution 📦 to PyPI
-      if: startsWith(github.event.ref, 'refs/tags') || github.event_name == 'release'
+      if: github.event_name == 'schedule' || github.event_name == 'workflow_dispatch'
       uses: pypa/gh-action-pypi-publish@v1.8.14
       with:
         user: __token__