Update composer.json

Author: derrabus

composer.json

@@ -26,7 +26,7 @@
     "require-dev": {
         "symfony/yaml": "~4.4 || ^5.0 || ^6.0",
         "symfony/console": "~4.4 || ^5.0 || ^6.0",
-        "symfony/phpunit-bridge": "^5.2"
+        "symfony/phpunit-bridge": "^5.2 || ^6.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Bundle\\MonologBundle\\": "" },