Fix py version for github actions

.github/workflows/django.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: [3.10, 3.11, 3.12]
+        python-version: [3.9, 3.11, 3.12]
 
     steps:
     - uses: actions/checkout@v4