reactivate testbench 9.* for laravel 11.*, however exclude for larave…

…l 8.*

.github/workflows/main.yml

@@ -13,7 +13,7 @@ jobs:
       matrix:
         php: ["8.0", "8.1", "8.2"]
         laravel: ["8.*", "11.*"]
-        testbench: ["6.*", "8.*"]
+        testbench: ["6.*", "9.*"]
         dependency-version: [prefer-stable]
         include:
           - laravel: 8.*
@@ -25,6 +25,8 @@ jobs:
             php: "8.0"
           - laravel: 11.*
             php: "8.1"
+          - laravel: "8.*"
+            testbench: "9.*"
 
     name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.dependency-version }} - ubuntu-latest