Updated GitHub Actions

.github/workflows/django.yml

@@ -19,6 +19,10 @@ jobs:
   build:
 
     runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 4
+      matrix:
+        python-version: [3.8, 3.9]
 
     services:
       postgres:
@@ -38,10 +42,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
-    - name: Set up Python 3.9
+    - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: ${{ matrix.python-version }}
     - name: Install Dependencies
       run: |
         python -m pip install --upgrade pip