fix urllib3 version in Actions workflow

Author: mrlevitas

.github/workflows/python-publish.yaml

@@ -20,7 +20,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install setuptools==47.3.0 wheel==0.34.2 twine==3.2.0
+        python -m pip install setuptools==47.3.0 wheel==0.34.2 urllib3==1.26.15 twine==3.1.1
 
     - name: Build and publish
       env: