Drop Psalm 4

Author: rogervila

composer.json

@@ -72,7 +72,7 @@
         "phpstan/phpstan-phpunit": "^1.3.0",
         "phpunit/phpunit": "^9.5.27",
         "predis/predis": "^1.1.10",
-        "vimeo/psalm": "^4.30 || ^5.0"
+        "vimeo/psalm": "^5.0"
     },
     "conflict": {
         "doctrine/orm": "2.12.0"