Update lint workflow to 3.12

Author: jb3

.github/workflows/forms-backend.yml

@@ -16,10 +16,10 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Install Python Dependencies
-        uses: HassanAbouelela/actions/setup-python@setup-python_v1.3.1
+        uses: HassanAbouelela/actions/setup-python@setup-python_v1.6.0
         with:
           dev: true
-          python_version: "3.9"
+          python_version: "3.12"
 
       # Use this formatting to show them as GH Actions annotations.
       - name: Run flake8