Update python workflow

update version of setup-python and checkout action

.github/workflows/python.yml

@@ -12,6 +12,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
+      - run: pip install --upgrade setuptools
       - run: pip install bandit black flake8 isort mypy pytest pyupgrade safety
       - run: bandit --recursive --skip B101 .  # B101 is assert statements
       - run: black --check . || true