restore missed 3.13

Author: Conengmo

.github/workflows/test_code.yml

@@ -15,7 +15,7 @@ jobs:
         python-version: ["3.9", "3.12"]
         experimental: [false]
         include:
-          - python-version: "3.13"
+          - python-version: "3.12"
             os: "ubuntu-latest"
             experimental: true
       fail-fast: false