AC-6437:Ensure PHP8.1 support after 7.4 removal

Author: faizan-shk

.github/workflows/php.yml

@@ -13,9 +13,6 @@ jobs:
       fail-fast: false
       matrix:
         php-version:
-          - "7.3"
-          - "7.4"
-          - "8.0"
           - "8.1"
         dependencies:
           - "lowest"