Only test oldest and newest version of python

Author: kdp-cloud

.github/workflows/test-mars.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.13"]
     runs-on: ${{ matrix.os }}
     env:
       working-directory: ./mars-cli