Run unit tests with both 3.10 and 3.13

Author: holtskinner

.github/workflows/unit-tests.yml

@@ -18,7 +18,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.10"]
+        python-version: ["3.10", "3.13"]
 
     steps:
       - name: Checkout code