Add Python 3.11 to the unit testing matrix

Signed-off-by: Jesse Whitehouse <[email protected]>

Author: Jesse Whitehouse

.github/workflows/code-quality-checks.yml

@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7, 3.8, 3.9, "3.10"]
+        python-version: [3.7, 3.8, 3.9, "3.10", "3.11"]
     steps:
       #----------------------------------------------
       #       check-out repo and set-up python