Update flake8 to Py 3.12

Author: taldcroft

.github/workflows/flake8.yml

@@ -9,10 +9,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v1
-    - name: Set up Python 3.8
+    - name: Set up Python 3.12
       uses: actions/setup-python@v1
       with:
-        python-version: 3.8
+        python-version: 3.12
     - name: Lint with flake8
       run: |
         pip install flake8