Exclude Laravel 11 from test matrix

Author: whoboy2

.github/workflows/php-test.yaml

@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        laravel: [11, 12, 13]
+        laravel: [12, 13]
         php: [8.2, 8.3, 8.4]
         exclude:
           - laravel: 13