add check on py3.11

Author: rocco8773

.github/workflows/check_install.yml

@@ -20,7 +20,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: [ '3.8', '3.10', '3.12', '3.13' ]
+        python: [ '3.8', '3.10', '3.11', '3.12', '3.13' ]
         os: [ ubuntu-latest ]
 
     steps: