Add py3.12 to the CI

.github/workflows/ci.yaml

@@ -10,7 +10,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: [3.9, "3.10", "3.11"]
+        python-version: [3.9, "3.10", "3.11", "3.12"]
 
     steps:
     - uses: actions/checkout@v3