Merge branch '5.4' into 6.0

* 5.4:
  [Console] Restore psr/log >= 3.0 conflict
  [Security] Make the abstract Voter class implement CacheableVoterInterface
  Add generic types to traversable implementations
  [Security] Fix TypeError message
  [Security] Fix deprecation layer
  [FrameworkBundle] Add completion for workflow:dump
  Fix cancel button
  Fix misleading error on missing provider with authenticator manager
  Don't limit retries of toolbar loading

Author: derrabus

HeaderBag.php

@@ -15,12 +15,17 @@
  * HeaderBag is a container for HTTP headers.
  *
  * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @implements \IteratorAggregate<string, array<int, string|null>>
  */
 class HeaderBag implements \IteratorAggregate, \Countable
 {
     protected const UPPER = '_ABCDEFGHIJKLMNOPQRSTUVWXYZ';
     protected const LOWER = '-abcdefghijklmnopqrstuvwxyz';
 
+    /**
+     * @var array<string, array<int, string|null>>
+     */
     protected $headers = [];
     protected $cacheControl = [];
 
@@ -57,6 +62,8 @@ public function __toString(): string
      * Returns the headers.
      *
      * @param string|null $key The name of the headers to return or null to get them all
+     *
+     * @return array<string, array<int, string|null>>|array<int, string|null>
      */
     public function all(string $key = null): array
     {
@@ -69,6 +76,8 @@ public function all(string $key = null): array
 
     /**
      * Returns the parameter keys.
+     *
+     * @return string[]
      */
     public function keys(): array
     {

ParameterBag.php

@@ -17,6 +17,8 @@
  * ParameterBag is a container for key/value pairs.
  *
  * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @implements \IteratorAggregate<string, mixed>
  */
 class ParameterBag implements \IteratorAggregate, \Countable
 {

Session/Attribute/AttributeBag.php

@@ -13,6 +13,8 @@
 
 /**
  * This class relates to session attribute storage.
+ *
+ * @implements \IteratorAggregate<string, mixed>
  */
 class AttributeBag implements AttributeBagInterface, \IteratorAggregate, \Countable
 {

Session/Attribute/AttributeBagInterface.php

@@ -37,6 +37,8 @@ public function set(string $name, mixed $value);
 
     /**
      * Returns attributes.
+     *
+     * @return array<string, mixed>
      */
     public function all(): array;
 

Session/Session.php

@@ -27,6 +27,8 @@ class_exists(SessionBagProxy::class);
 /**
  * @author Fabien Potencier <fabien@symfony.com>
  * @author Drak <drak@zikula.org>
+ *
+ * @implements \IteratorAggregate<string, mixed>
  */
 class Session implements SessionInterface, \IteratorAggregate, \Countable
 {