drop support for php 7.2

Author: melihovv

.github/workflows/default.yml

@@ -11,7 +11,7 @@ jobs:
 
     strategy:
       matrix:
-        php: [7.4, 7.3, 7.2]
+        php: [7.4, 7.3]
         laravel: [8.*, 7.*, 6.*]
         dependency-version: [prefer-lowest, prefer-stable]
         os: [ubuntu-latest, windows-latest]