Adjust pretty name of closures on PHP 8.4

related to php/php-src#13550

see analog symfony change: symfony/symfony#54614

src/Analysis/Debugger.php

@@ -99,7 +99,7 @@ public static function backtrace($options = [])
         foreach ($backtrace as $i => $trace) {
             $trace += $traceDefaults;
             if (strpos($trace['function'], 'Closure$') === 0 ||
-                strpos($trace['function'], '{closure}') !== false ||
+                strpos($trace['function'], '{closure') !== false ||
                 in_array($trace['function'], $ignoreFunctions)) {
                 continue;
             }