ci: Update run-tests.yml to adjust Laravel version matrix and include testbench configurations

Author: oliverearl

.github/workflows/run-tests.yml

@@ -18,8 +18,13 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         php: [8.4, 8.3]
-        laravel: [11.*, 12.*]
+        laravel: [12.*, 11.*]
         stability: [prefer-lowest, prefer-stable]
+        include:
+          - laravel: 12.*
+            testbench: 10.*
+          - laravel: 11.*
+            testbench: 9.*
 
     name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.stability }} - ${{ matrix.os }}