Bump psalm to v4.9.2

- Lock to v4.9 otherwise it bumps automatically, finds new issues and builds start failing without any change in this lib

composer.json

@@ -28,6 +28,6 @@
     "require-dev": {
         "phpunit/phpunit": "^9.5",
         "squizlabs/php_codesniffer": "1.*",
-        "vimeo/psalm": "^4.6.2"
+        "vimeo/psalm": "~4.9.0"
     }
 }