Include python 3.12

Author: white-gecko

.github/workflows/build.yml

@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: [3.7, 3.8, 3.9, '3.10', '3.11']
+        python: [3.7, 3.8, 3.9, '3.10', '3.11', '3.12']
         # include:
         #   - python: "3.11.0-rc.1"
         #     experimental: true