Update django and use GH actions services

.github/workflows/ci.yml

@@ -3,31 +3,31 @@ on: [push, pull_request]
 jobs:
   test:
     name: Test
+    runs-on: ubuntu-latest
     strategy:
       matrix:
         python-version: ["3.10.x", "3.11.x", "3.12.x"]
         django-version: ["5.0.x", "5.1.x"]
-    env:
-      redis-version: "6.2"
-      pg-version: "15"
-    runs-on: ubuntu-latest
+
+    services:
+      redis:
+        image: redis:6.2-alpine
+        ports:
+          - 6379:6379
+      postgres:
+        image: postgis/postgis:15-3.3-alpine
+        env:
+          POSTGRES_DB: dash
+          POSTGRES_USER: dash
+          POSTGRES_PASSWORD: rapidpro
+        ports:
+          - 5432:5432
+        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
+
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Install Redis
-        uses: zhulik/redis-action@1.1.0
-        with:
-          redis version: ${{ env.redis-version }}
-
-      - name: Install PostgreSQL
-        uses: harmon758/postgresql-action@v1
-        with:
-          postgresql version: ${{ env.pg-version }}
-          postgresql db: dash
-          postgresql user: dash
-          postgresql password: rapidpro
-
       - name: Install Python
         uses: actions/setup-python@v5
         with: