include later Python versions for testing

Author: c-f-h

.github/workflows/python-package.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.8, 3.9]
+        python-version: [3.8, 3.9, 3.10, 3.11, 3.12]
 
     steps:
     - uses: actions/checkout@v2