⬆️ Updates Django to 4.0

Author: jefftriplett

.github/workflows/actions.yml

@@ -78,11 +78,11 @@ jobs:
           - django-version: "3.2.0"
             python-version: "3.10"
           # Django 4.0
-          - django-version: "4.0b1"
+          - django-version: "4.0"
             python-version: "3.8"
-          - django-version: "4.0b1"
+          - django-version: "4.0"
             python-version: "3.9"
-          - django-version: "4.0b1"
+          - django-version: "4.0"
             python-version: "3.10"
 
     steps: