update GA test suite

Author: pktharindu

.github/workflows/run-tests.yml

@@ -9,12 +9,20 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-latest, windows-latest]
-        php: [8.0, 7.4]
-        laravel: [8.*]
+        php: [8.1, 8.0, 7.4]
+        laravel: [8.*, 9.*]
         stability: [prefer-lowest, prefer-stable]
         include:
+          - laravel: 9.*
+            testbench: 7.*
           - laravel: 8.*
             testbench: 6.*
+        exclude:
+          - laravel: 9.*
+            php: 7.4
+          - laravel: 8.*
+            php: 8.1
+            stability: prefer-lowest
 
     name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.stability }} - ${{ matrix.os }}