Workaround for now missing setuptools which are used in setup.py

Ref: datalad#254

.github/workflows/release.yml

@@ -27,6 +27,7 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
           pypi-token: ${{ secrets.PYPI_TOKEN }}
           pre-tag: |
+            pip install setuptools  # needed for setup.py --version
             pkg="$(python setup.py --name)"
             printf '__version__ = "%s"\n' "$new_version" > "$pkg"/version.py
             git commit -m "Update __version__ to $new_version" "$pkg"/version.py