minor #51974 [Console][EventDispatcher][Security][Serializer][Workflow] Add PHPDoc to attribute classes and properties (alexandre-daubois)

This PR was merged into the 7.1 branch.

Discussion
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[Console][EventDispatcher][Security][Serializer][Workflow] Add PHPDoc to attribute classes and properties

| Q             | A
| ------------- | ---
| Branch?       | 7.1
| Bug fix?      | no
| New feature?  | yes
| Deprecations? | no
| Tickets       | Part of symfony/symfony#51920
| License       | MIT

One more round.

:information_source: A first review of this kind is being done [here](symfony/symfony#51971), I'll adjust this PR accordingly once done 🙂

Commits
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8a2ac5a6d2 [Console][EventDispatcher][Security][Serializer][Workflow] Add PHPDoc to attribute classes and properties

Author: nicolas-grekas

Attribute/AsEventListener.php

@@ -19,6 +19,12 @@
 #[\Attribute(\Attribute::TARGET_CLASS | \Attribute::TARGET_METHOD | \Attribute::IS_REPEATABLE)]
 class AsEventListener
 {
+    /**
+     * @param string|null $event      The event name to listen to
+     * @param string|null $method     The method to run when the listened event is triggered
+     * @param int         $priority   The priority of this listener if several are declared for the same event
+     * @param string|null $dispatcher The service id of the event dispatcher to listen to
+     */
     public function __construct(
         public ?string $event = null,
         public ?string $method = null,