updated php-versions in test workflows

Author: nutama

.github/workflows/main.yaml

@@ -8,7 +8,7 @@ jobs:
 
         strategy:
             matrix:
-                php-versions: ['7.3', '7.4', '8.0', '8.1']
+                php-versions: ['8.1', '8.2', '8.3']
         name: PHP ${{ matrix.php-versions }}
         steps:
             -   uses: actions/checkout@v2