Allow 6.0 symfony/console version

Author: roquie

composer.json

@@ -17,7 +17,7 @@
   },
   "require": {
     "php": ">=7.4",
-    "symfony/yaml": "^4.2 || ^5.0",
+    "symfony/yaml": "^4.2 || ^5.0 || ^6.0",
     "psr/log": "^1.1 || ^2.0 || ^3.0",
     "symfony/console": "^4.3 || ^5.0",
     "spacetab-io/obelix": "^1.0"