Merge branch '7.3' into 7.4

* 7.3:
  Fix remaining SplObjectStorage deprecation
  Remove calls to no-op functions, deprecated in PHP 8.5
  Remove deprecated calls to deprecated methods of SplObjectStorage
  [Messenger] Show package installation hint also for amqps
  [TypeInfo] Fix converting list to string

Author: nicolas-grekas

Internal/Hydrator.php

@@ -80,7 +80,7 @@ public static function getHydrator($class)
                         if ("\0" === $name) {
                             foreach ($values as $i => $v) {
                                 for ($j = 0; $j < \count($v); ++$j) {
-                                    $objects[$i]->attach($v[$j], $v[++$j]);
+                                    $objects[$i][$v[$j]] = $v[++$j];
                                 }
                             }
                             continue;
@@ -188,7 +188,7 @@ public static function getSimpleHydrator($class)
                             continue;
                         }
                         for ($i = 0; $i < \count($value); ++$i) {
-                            $object->attach($value[$i], $value[++$i]);
+                            $object[$value[$i]] = $value[++$i];
                         }
                     }
                 };