Install setuptools manually for Python 3.12 compatibility

Author: foarsitter

.github/workflows/ci.yml

@@ -37,21 +37,20 @@ jobs:
             redis-version: 'latest'
             python-version: '3.9'
 
-
           # latest Django with pre-release redis
           - django-version: '5.1'
             redis-version: 'master'
-            python-version: '3.11'
+            python-version: '3.12'
 
           # latest redis with pre-release Django
           - django-version: 'main'
             redis-version: 'latest'
-            python-version: '3.11'
+            python-version: '3.12'
 
           # pre-release Django and redis
           - django-version: 'main'
             redis-version: 'master'
-            python-version: '3.11'
+            python-version: '3.12'
 
     steps:
       - uses: actions/checkout@v4