Fix "vimeo/psalm" requirement.

Author: remcotolsma

composer.json

@@ -28,7 +28,7 @@
 		"pronamic/wp-coding-standards": "^2.2",
 		"roots/wordpress": "^6.0",
 		"szepeviktor/phpstan-wordpress": "^1.3",
-		"vimeo/psalm": "^5.25",
+		"vimeo/psalm": "^0.3.14",
 		"yoast/phpunit-polyfills": "^1.0"
 	},
 	"scripts": {