ci: test with python 3.11

Author: Zxilly

.github/workflows/test.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: [ "3.9", "3.10" ]
+        python-version: [ "3.9", "3.10", "3.11" ]
 
     steps:
       - uses: actions/checkout@v3