Run tests on Python 3.12

https://www.python.org/downloads/

Author: szepeviktor

.github/workflows/test.yml

@@ -13,11 +13,11 @@ jobs:
     strategy:
       max-parallel: 2
       matrix:
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
     steps:
     - uses: actions/checkout@v4
       with:
-        submodules: 'true'
+        submodules: "true"
     - uses: actions/setup-node@v3
       with:
         node-version: "16.x"