Allow Psalm 5.

Author: AndrolGenhald

composer.json

@@ -13,7 +13,7 @@
         "php": "^7.1 || ^8.0",
         "ext-simplexml": "*",
         "symfony/framework-bundle": "^4.0 || ^5.0 || ^6.0",
-        "vimeo/psalm": "^4.12"
+        "vimeo/psalm": "^4.12|^5.0|5.0.0@dev"
     },
     "require-dev": {
         "symfony/form": "^4.0 || ^5.0 || ^6.0",