docs: update PHPDoc

Author: kenjis

app/Config/App.php

@@ -436,7 +436,7 @@ class App extends BaseConfig
      * Defaults to `Lax` as recommended in this link:
      *
      * @see https://portswigger.net/web-security/csrf/samesite-cookies
-     * @deprecated Use `Config\Security` $samesite property instead of using this property.
+     * @deprecated `Config\Cookie` $samesite property is used.
      *
      * @var string
      */

app/Config/Security.php

@@ -111,7 +111,7 @@ class Security extends BaseConfig
      *
      * @var string
      *
-     * @deprecated
+     * @deprecated `Config\Cookie` $samesite property is used.
      */
     public $samesite = 'Lax';
 }

system/Security/Security.php

@@ -136,7 +136,7 @@ class Security implements SecurityInterface
      *
      * @var string
      *
-     * @deprecated
+     * @deprecated `Config\Cookie` $samesite property is used.
      */
     protected $samesite = Cookie::SAMESITE_LAX;