use double quotes

Author: jonhealy1

.github/workflows/cicd.yml

@@ -48,7 +48,7 @@ jobs:
           - 9400:9400
     strategy:
       matrix:
-        python-version: [ "3.8", "3.9", "3.10", '3.11']
+        python-version: [ "3.8", "3.9", "3.10", "3.11"]
 
     name: Python ${{ matrix.python-version }} testing