Run CI tests against Laravel 12

Author: gehrisandro

.github/workflows/tests.yml

@@ -10,7 +10,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         php: [8.1, 8.2, 8.3, 8.4]
-        laravel: [11.*, 10.*, 9.*]
+        laravel: [12.*, 11.*, 10.*, 9.*]
         dependency-version: [prefer-lowest, prefer-stable]
         exclude:
           - php: 8.1