Remove mysql from django CI workflow

.github/workflows/django.yml

@@ -14,7 +14,7 @@ jobs:
       max-parallel: 4
       matrix:
         python-version: [3.8, 3.9, 3.10]
-        db: [postgres, mysql]
+        db: [postgres]
         include:
           - db: postgres
             db_port: 5432
@@ -34,20 +34,6 @@ jobs:
           --health-timeout 5s
           --health-retries 5
 
-      mysql:
-        image: mysql:8
-        ports:
-          - 3306:3306
-        env:
-          MYSQL_ROOT_PASSWORD: SpYkxYy1dMmo7Bk
-          MYSQL_USER: permagate
-          MYSQL_PASSWORD: SpYkxYy1dMmo7Bk
-        options:
-          --health-cmd "mysqladmin ping"
-          --health-interval 10s
-          --health-timeout 5s
-          --health-retries 3
-
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}