Run tests on Django 6.0

Now it's actually released

Author: RealOrangeOne

.github/workflows/ci.yml

@@ -16,11 +16,11 @@ jobs:
       matrix:
         os: [windows-latest, macos-latest, ubuntu-latest]
         python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
-        django-version: ["4.2", "5.0", "5.1", "5.2", "6.0rc1"]
+        django-version: ["4.2", "5.0", "5.1", "5.2", "6.0"]
         exclude:
-          - django-version: "6.0rc1"
+          - django-version: "6.0"
             python-version: "3.10"
-          - django-version: "6.0rc1"
+          - django-version: "6.0"
             python-version: "3.11"
           - django-version: "4.2"
             python-version: "3.14"