Also test on python version 3.11

Author: smokestacklightnin

.github/workflows/ci-test.yml

@@ -17,7 +17,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ['3.9', '3.10']
+        python-version: ['3.9', '3.10', '3.11']
 
     steps:
     - name: Checkout repository