Allow Symfony 7

Author: greg0ire

composer.json

@@ -29,10 +29,10 @@
         "monolog/monolog": "^2.9 || ^3.0",
         "phpdocumentor/guides": "self.version",
         "phpdocumentor/guides-restructured-text": "self.version",
-        "symfony/config": "^5.4 || ^6.3",
-        "symfony/console": "^5.4 || ^6.3",
-        "symfony/dependency-injection": "^5.4 || ^6.3",
-        "symfony/event-dispatcher": "^5.4 || ^6.3"
+        "symfony/config": "^5.4 || ^6.3 || ^7.0",
+        "symfony/console": "^5.4 || ^6.3 || ^7.0",
+        "symfony/dependency-injection": "^5.4 || ^6.3 || ^7.0",
+        "symfony/event-dispatcher": "^5.4 || ^6.3 || ^7.0"
     },
     "bin": [
         "bin/guides"