[Claude] Add PHP 8.5 to CI test matrix

Author: mpyw

.github/workflows/ci.yml

@@ -24,7 +24,7 @@ jobs:
 
     strategy:
       matrix:
-        php: [8.2, 8.3, 8.4]
+        php: [8.2, 8.3, 8.4, 8.5]
         laravel: [^11.0, ^12.0, ^13.0.x-dev]
         exclude:
           - php: 8.2