Add Python 3.11 to the testing

https://docs.python.org/3/whatsnew/3.11.html

Author: cclauss

.github/workflows/tests.yml

@@ -14,7 +14,7 @@ jobs:
       max-parallel: 15
       matrix:
         node: [14.x, 16.x, 18.x]
-        python: ["3.6", "3.8", "3.10"]
+        python: ["3.6", "3.8", "3.10", "3.11"]
         os: [macos-latest, ubuntu-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps: