Include Python 3.12 dev

Author: timsavage

.github/workflows/tests.yml

@@ -14,7 +14,7 @@ jobs:
         python-version: [3.8, 3.9, "3.10", "3.11"]
         experimental: [false]
         include:
-          - python-version: "3.11-dev"
+          - python-version: "3.12-dev"
             experimental: true
 
     steps: