Allow Symfony 6

Author: derrabus

composer.json

@@ -22,7 +22,7 @@
     "require-dev": {
         "composer/composer": "^1.0.2|^2.0",
         "symfony/console": "^4.4|^5",
-        "symfony/dotenv": "^5.1",
+        "symfony/dotenv": "^5.1|^6.0",
         "symfony/http-foundation": "^4.4|^5",
         "symfony/http-kernel": "^4.4|^5"
     },