[chore] update workflow

Author: alissn

.github/workflows/tests.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         php: ['8.0', '8.1', '8.2', '8.3']
-        laravel: [9.*, 10.*, 11.*]
+        laravel: [9.*, 10.*, 11.*, 12.*]
         stability: [prefer-lowest, prefer-stable]
         include:
           - laravel: 9.*
@@ -20,6 +20,8 @@ jobs:
             testbench: 8.*
           - laravel: 11.*
             testbench: 9.*
+          - laravel: 12.*
+            testbench: 10.*
         exclude:
           - laravel: 9.*
             php: 8.3