Update ci.yml

.github/workflows/ci.yml

@@ -8,10 +8,10 @@ jobs:
     steps:
       - name: Check out repository code
         uses: actions/checkout@v3
-      - name: Set up Python 3.9
+      - name: Set up Python 3.12
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: 3.12
       - name: Install dependencies
         run: python3 -m pip install --upgrade pip copier poetry poethepoet
       - name: Create default options