[Feat] URL validator supports WebSocket Secure protocol

src/ActivityPhp/Type/Util.php

@@ -62,7 +62,7 @@ public static function validateUrl($value): bool
             && filter_var($value, FILTER_VALIDATE_URL) !== false
             && in_array(
                 parse_url($value, PHP_URL_SCHEME),
-                ['http', 'https', 'magnet']
+                ['http', 'https', 'magnet', 'wss']
             );
     }