Remove other python versions than 3.8

Author: lenvt

.github/workflows/main.yml

@@ -18,10 +18,6 @@ jobs:
       matrix:
         python-version:
           - "3.8"
-          - "3.9"
-          - "3.10"
-          - "3.11"
-          - "3.12"
 
     steps:
     - name: Checkout code