Adjust pretty name of closures on PHP 8.4

Author: nicolas-grekas

Debug/WrappedListener.php

@@ -47,7 +47,7 @@ public function __construct($listener, ?string $name, Stopwatch $stopwatch, ?Eve
             $this->pretty = $this->name.'::'.$listener[1];
         } elseif ($listener instanceof \Closure) {
             $r = new \ReflectionFunction($listener);
-            if (str_contains($r->name, '{closure}')) {
+            if (str_contains($r->name, '{closure')) {
                 $this->pretty = $this->name = 'closure';
             } elseif ($class = \PHP_VERSION_ID >= 80111 ? $r->getClosureCalledClass() : $r->getClosureScopeClass()) {
                 $this->name = $class->name;