Remove Laravel 9.x from this branch

.github/workflows/tests.yml

@@ -20,11 +20,8 @@ jobs:
       fail-fast: true
       matrix:
         php: [8.2, 8.3]
-        laravel: [9, 10, 11]
+        laravel: [10, 11]
         include:
-          - laravel: 9
-            php: 8.0
-            testbench: 7
           - laravel: 10
             testbench: 8
           - laravel: 11