Allow PSL 5

Author: shirshir

composer.json

@@ -13,7 +13,7 @@
         "azjezz/psl": "<1.6||>=6.0"
     },
     "require-dev": {
-        "azjezz/psl": "^1.6||^2.0||^3.0||^4.0",
+        "azjezz/psl": "^1.6||^2.0||^3.0||^4.0||^5.0",
         "composer/semver": "^3.3",
         "nikic/php-parser": "^4.14.0",
         "php-parallel-lint/php-parallel-lint": "^1.2",