Actually install setuptools

Author: dmohns

.github/workflows/release-publish-pypi.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements.txt
+          pip install setuptools
 
       - name: Generate package distribution
         run: python3 setup.py sdist