updated ci to test against Laravel12

Author: 77web

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         php: ['8.2', '8.3', '8.4']
-        laravel: ['10', '11']
+        laravel: ['10', '11', '12']
         exclude:
           - php: '8.4'
             laravel: '10'