Fix matrix and drop PHP 7.2 and 7.3 support

Author: marickvantuil

.github/workflows/run-tests.yml

@@ -11,8 +11,8 @@ jobs:
 
     strategy:
       matrix:
-        php: [8.1, 8.0, 7.4, 7.3, 7.2]
-        laravel: [8.*, 7.*, 6.*]
+        php: [8.1, 8.0, 7.4]
+        laravel: [9.*, 8.*, 7.*, 6.*]
         os: [ubuntu-latest]
         include:
           - laravel: 9.*
@@ -24,14 +24,8 @@ jobs:
           - laravel: 6.*
             testbench: 4.*
         exclude:
-          - laravel: 9.*
-            php: 7.2
-          - laravel: 9.*
-            php: 7.3
           - laravel: 9.*
             php: 7.4
-          - laravel: 8.*
-            php: 7.2
           - laravel: 6.*
             php: 8.1
           - laravel: 7.*