Add Psalm conflict

Author: loevgaard

composer.json

@@ -8,7 +8,10 @@
         "ergebnis/composer-normalize": "^2.42",
         "rector/rector": "^1.0.1",
         "sylius-labs/coding-standard": "^4.1.1",
-        "vimeo/psalm": "^5.22"
+        "vimeo/psalm": "^5.23"
+    },
+    "conflicts": {
+        "vimeo/psalm": "5.24.0"
     },
     "config": {
         "allow-plugins": {