[FIX] Fix Python version for tests in CI

Author: LedruRollin

.github/workflows/main.yml

@@ -21,10 +21,10 @@ jobs:
       MEDIA_ROOT: ""
     steps:
     - uses: actions/checkout@v4
-    - name: Set up Python 3.10
+    - name: Set up Python 3.12
       uses: actions/setup-python@v3
       with:
-        python-version: "3.10"
+        python-version: "3.12.6"
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip