added debug info to github action

Author: wolph

.github/workflows/main.yml

@@ -23,6 +23,10 @@ jobs:
         run: |
           python -m pip install --upgrade pip setuptools flake8
           pip install -e '.[tests]'
+      - name: Get versions
+        run: |
+          python -V
+          pip freeze
       - name: flake8
         run: flake8 python_utils setup.py
       - name: pytest