allow installation with symfony 8

Author: dbu

.github/workflows/test-application.yaml

@@ -28,6 +28,7 @@ jobs:
                     - php-version: '8.3'
                     - php-version: '8.4'
                     - php-version: '8.5'
+                      symfony-version: '8.*'
 
         steps:
             - name: Checkout project

composer.json

@@ -33,15 +33,15 @@
         "phpunit/phpunit": "^9.5.28",
         "matthiasnoback/symfony-dependency-injection-test": "^4.1.0 || ^5.1.0",
         "matthiasnoback/symfony-config-test": "^4.1.0 || ^5.1.0",
-        "symfony/phpunit-bridge": "^7.0.3",
-        "symfony/form": "^6.4 || ^7.0",
+        "symfony/phpunit-bridge": "^7.0.3 || ^8.0",
+        "symfony/form": "^6.4 || ^7.0 || ^8.0",
         "symfony/monolog-bundle": "^3.5",
-        "symfony/security-bundle": "^6.4 || ^7.0",
-        "symfony/serializer": "^6.4 || ^7.0",
-        "symfony/translation": "^6.4 || ^7.0",
-        "symfony/validator": "^6.4 || ^7.0",
-        "symfony/var-exporter": "^6.4 || ^7.0",
-        "symfony/twig-bundle": "^6.4 || ^7.0",
+        "symfony/security-bundle": "^6.4 || ^7.0 || ^8.0",
+        "symfony/serializer": "^6.4 || ^7.0 || ^8.0",
+        "symfony/translation": "^6.4 || ^7.0 || ^8.0",
+        "symfony/validator": "^6.4 || ^7.0 || ^8.0",
+        "symfony/var-exporter": "^6.4 || ^7.0 || ^8.0",
+        "symfony/twig-bundle": "^6.4 || ^7.0 || ^8.0",
         "symfony-cmf/testing": "5.0.2",
         "twig/twig": "^2.4.4 || ^3.0"
     },