Remove php 7.4 and 8.0 from build

Author: mike-potter

.github/workflows/default.yml

@@ -24,8 +24,6 @@ jobs:
       fail-fast: false # Don't cancel other jobs if one fails
       matrix:
         include:
-          - version: "7.4"
-          - version: "8.0"
           - version: "8.1"
           - version: "8.2"
           - version: "8.3"