upgrade black to latest version

Author: jxmorris12

.github/workflows/check-formatting.yml

@@ -26,9 +26,9 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip setuptools wheel
-        pip install black flake8 isort # Testing packages
         python setup.py install_egg_info # Workaround https://github.com/pypa/pip/issues/4537
         pip install -e .[dev]
+        pip install black flake8 isort --upgrade # Testing packages
     - name: Check code format with black and isort
       run: |
         make lint