add 3.13

Author: jkanche

.github/workflows/run-tests.yml

@@ -28,7 +28,7 @@ jobs:
   test:
     strategy:
       matrix:
-        python: ["3.9", "3.10", "3.11", "3.12"] # , "3.13"
+        python: ["3.10", "3.11", "3.12", "3.13"]
         platform:
           - ubuntu-latest
           # - macos-latest