Add PHP 8.5 to CI matrix

Author: Thavarshan

.github/workflows/tests.yml

@@ -17,7 +17,7 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-latest]
-        php: [8.3, 8.4]
+        php: [8.3, 8.4, 8.5]
         laravel: [11.*, 12.*, 13.*]
         stability: [prefer-stable]
         include: