Add python 3.13

Author: misery

.github/workflows/python-package.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.8, 3.9, '3.10', 3.11, 3.12]
+        python-version: [3.8, 3.9, '3.10', 3.11, 3.12, 3.13]
 
     steps:
     - uses: actions/checkout@v4