update test setup

Author: koertho

.github/workflows/ci.yml

@@ -26,7 +26,7 @@ jobs:
           tools: composer:v2
 
       - name: Select Contao version
-        run: composer require --no-update "contao/core-bundle:${{ matrix.contao }}" "contao/test-case:${{ matrix.contao }}"
+        run: composer require --no-update "contao/core-bundle:${{ matrix.contao }}"
 
       - name: Install dependencies
         run: composer update --no-interaction --prefer-dist

composer.json

@@ -36,10 +36,13 @@
     "contao/contao-rector": "dev-main",
     "phpstan/phpstan": "^2.1",
     "phpstan/phpstan-symfony": "^2.0",
-    "phpunit/phpunit": "^11.0",
+    "phpunit/phpunit": "^12.4",
     "rector/rector": "^2.4",
     "symplify/easy-coding-standard": "^12.6"
   },
+  "scripts": {
+    "test": "phpunit"
+  },
   "suggest": {
     "symfony/ux-turbo": "Required by the optional multi_step_registration/ux-turbo.html.twig template variant."
   },