Merge pull request #374 from stof/symfony_7

Add support for Symfony 7

Author: stof

composer.json

@@ -29,7 +29,7 @@
         "phpstan/phpstan": "^1.10",
         "phpstan/phpstan-phpunit": "^1.3",
         "phpunit/phpunit": "^8.5.22 || ^9.5.11",
-        "symfony/error-handler": "^4.4 || ^5.0"
+        "symfony/error-handler": "^4.4 || ^5.0 || ^6.0 || ^7.0"
     },
 
     "autoload": {