test py=3.12,3.13 on ubuntu

Author: atulcthakur

.github/workflows/test.yml

@@ -80,6 +80,8 @@ jobs:
         config:
           - os: ubuntu-latest
             python: "3.12"
+          - os: ubuntu-latest
+            python: "3.13"
           - os: macos-latest
             python: "3.11"