Test on newer Python & Django

Author: PeterJCLaw

.github/workflows/check.yml

@@ -10,8 +10,8 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.8", "3.9"]
-        django-version: ["3.2", "4.0"]
+        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        django-version: ["3.2", "4.0", "4.1"]
 
     steps:
       - name: Checkout
@@ -40,8 +40,8 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.8", "3.9"]
-        django-version: ["3.2", "4.0"]
+        python-version: ["3.8", "3.11"]
+        django-version: ["3.2", "4.1"]
 
     steps:
       - name: Checkout
@@ -70,8 +70,8 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.8", "3.9"]
-        django-version: ["3.2", "4.0"]
+        python-version: ["3.8", "3.11"]
+        django-version: ["3.2", "4.1"]
 
     steps:
       - name: Checkout