composer update

vendor/symfony/var-dumper/Cloner/Data.php

@@ -63,7 +63,7 @@ class Data implements \ArrayAccess, \Countable, \IteratorAggregate
     /**
      * @param bool $recursive Whether values should be resolved recursively or not
      *
-     * @return string|int|float|bool|array|null|Data[] A native representation of the original value
+     * @return string|int|float|bool|array|Data[]|null A native representation of the original value
      */
     public function getValue($recursive = false)
     {
@@ -115,9 +115,7 @@ class Data implements \ArrayAccess, \Countable, \IteratorAggregate
             throw new \LogicException(sprintf('%s object holds non-iterable type "%s".', self::class, \gettype($value)));
         }
 
-        foreach ($value as $k => $v) {
-            yield $k => $v;
-        }
+        yield from $value;
     }
 
     public function __get($key)