Update GitHub Actions for Laravel 12

Author: laravel-shift

.github/workflows/tests.yml

@@ -12,7 +12,7 @@ jobs:
       fail-fast: true
       matrix:
         php: [8.3, 8.2, 8.1]
-        laravel: [9.*, 10.*, 11.*]
+        laravel: ['9.*', '10.*', '11.*', '12.*']
         stability: [prefer-lowest, prefer-stable]
         include:
           - laravel: 11.*
@@ -21,13 +21,15 @@ jobs:
             testbench: 8.*
           - laravel: 9.*
             testbench: ^7.19
+          - laravel: 12.*
+            testbench: 10.*
         exclude:
-          # Laravel 11 doesn't support PHP 8.1
           - laravel: 11.*
             php: 8.1
-          # Laravel 9 doesn't support PHP 8.3
           - laravel: 10.*
             php: 8.3
+          - laravel: 12.*
+            php: 8.1
 
     name: PHP ${{ matrix.php }} - Laravel ${{ matrix.laravel }} - ${{ matrix.stability }}