changed python version for cicd

Signed-off-by: Jochen Mehlich <contact@jochenmehlich.de>

.gitea/workflows/migrate.yaml

@@ -9,10 +9,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v1
-    - name: Set up Python 3.9
+    - name: Set up Python 3.11
       uses: actions/setup-python@v2
       with:
-        python-version: 3.9
+        python-version: 3.11
     - name: Install Dependencies
       run: |
           python3 -m pip install --upgrade pip