Compatibility with Symfony 6

Author: mnapoli

composer.json

@@ -27,9 +27,9 @@
         "psr/http-message": "^1.0",
         "psr/http-server-handler": "^1.0",
         "psr/http-server-middleware": "^1.0",
-        "symfony/console": "^4.0|^5.0",
-        "symfony/process": "^4.0|^5.0",
-        "symfony/yaml": "^4.0|^5.0"
+        "symfony/console": "^4.0|^5.0|^6.0",
+        "symfony/process": "^4.0|^5.0|^6.0",
+        "symfony/yaml": "^4.0|^5.0|^6.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.0",