feat: Update Python versions in GitHub Actions workflow

Author: Simatwa

.github/workflows/python-test.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.12"]
+        python-version: ["3.13", "3.12", "3.11", "3.10", "3.9"]
 
     steps:
     - uses: actions/checkout@v3