Test on mac with 3.11 (#894)

Author: ods

.github/workflows/tests.yml

@@ -142,7 +142,7 @@ jobs:
 
     strategy:
       matrix:
-        python: ["3.8", "3.9", "3.10"]
+        python: ["3.8", "3.9", "3.10", "3.11"]
 
     steps:
     - uses: actions/checkout@v2