Drop php8.0 and lower support

Author: janlam7

.github/workflows/main.yaml

@@ -12,7 +12,7 @@ jobs:
 
     strategy:
       matrix:
-        php-versions: ['7.3', '7.4', '8.0','8.1','8.2','8.3']
+        php-versions: ['8.1','8.2','8.3']
     name: PHP ${{ matrix.php-versions }}
     steps:
       -   uses: actions/checkout@v2