Updated: for python version and dev requirements.txt file

Author: arvind-4

.github/workflows/django.yml

@@ -21,7 +21,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: ["3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11"]
 
     steps:
     - uses: actions/checkout@v4    
@@ -33,6 +33,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install -r src/requirements.txt
+        pip install -r src/requirements-dev.txt
     - name: Run Tests
       run: |
         python src/manage.py test