Exclude php 8.1 from Laravel 11 tests

Author: rawilk

.github/workflows/run-tests.yml

@@ -25,6 +25,9 @@ jobs:
                         testbench: 8.*
                     -   laravel: 11.*
                         testbench: 9.*
+                exclude:
+                    -   laravel: 11.*
+                        php: 8.1
 
         name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.dependency-version }}