Update GitHub Actions for Laravel 13

Author: laravel-shift

.github/workflows/tests.yml

@@ -13,8 +13,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: [8.2]
-        laravel: ['12.0']
+        php: ['8.2', '8.3', '8.4', '8.5']
+        laravel: ['12.0', '13.0']
+        exclude:
+          - laravel: '13.0'
+            php: '8.2'
 
     name: P${{ matrix.php }} - L${{ matrix.laravel }}