Fix CI

Author: leonlan

.github/workflows/CI.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.12']
+        python-version: ['3.10', '3.11', '3.12', '3.13']
     steps:
       - uses: actions/checkout@v4