fixup! Test over Python 3.12

Author: mmore500

.github/workflows/CI.yml

@@ -8,7 +8,7 @@ jobs:
   build:
     strategy:
       matrix:
-        python-version: [3.8, 3.9, "3.10", 3.11]
+        python-version: [3.8, 3.9, "3.10", 3.11, 3.12]
         os: [ubuntu-latest, windows-latest, macos-latest]
       fail-fast: false