[6.x] Run Windows tests against Laravel 12 (#11628)

Author: duncanmcclean

.github/workflows/tests.yml

@@ -22,9 +22,13 @@ jobs:
         os: [ubuntu-latest]
         include:
           - os: windows-latest
-            php: 8.3
+            php: 8.4
             laravel: 11.*
             stability: prefer-stable
+          - os: windows-latest
+            php: 8.4
+            laravel: 12.*
+            stability: prefer-stable
 
     name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.stability }} - ${{ matrix.os }}