Run CI with Python 3.12 releases

Author: AA-Turner

.github/workflows/test.yml

@@ -25,7 +25,7 @@ jobs:
           - "3.9"
           - "3.10"
           - "3.11"
-          - "3.12-dev"
+          - "3.12"
           - "3.13-dev"
       fail-fast: false