Update GitHub Actions for Laravel 12

Author: laravel-shift

.github/workflows/run-tests.yml

@@ -13,10 +13,9 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         php: [8.2]
-        laravel: ['10.*', '11.*']
+        laravel: ['10.*', '11.*', '12.*']
         dependency-version: [prefer-stable]
 
-
     name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.dependency-version }} - ${{ matrix.os }}
 
     steps: