docs: add changelog and update Response::setCookie()

Author: kenjis

user_guide_src/source/changelogs/v4.1.6.rst

@@ -37,8 +37,22 @@ Enhancements
 Changes
 *******
 
+- The process of sending cookies has been moved to the ``Response`` class. Now the ``Security`` and ``CookieStore`` class don't send cookies, set them to the Response.
+
 Deprecations
 ************
 
+Sending Cookies
+===============
+
+The process of sending cookies has been moved to the ``Response`` class.
+And the following methods are deprecated:
+
+- ``CookieStore::dispatch()``
+- ``CookieStore::setRawCookie()``
+- ``CookieStore::setCookie()``
+- ``Security::sendCookie()``
+- ``Security::doSendCookie()``
+
 Bugs Fixed
 **********

user_guide_src/source/outgoing/response.rst

@@ -396,7 +396,7 @@ The methods provided by the parent class that are available are:
 
     .. php:method:: setCookie($name = ''[, $value = ''[, $expire = ''[, $domain = ''[, $path = '/'[, $prefix = ''[, $secure = false[, $httponly = false[, $samesite = null]]]]]]]])
 
-        :param mixed $name: Cookie name or an array of parameters
+        :param array|Cookie|string $name: Cookie name or an array of parameters or an instance of ``CodeIgniter\Cookie\Cookie``
         :param string $value: Cookie value
         :param int $expire: Cookie expiration time in seconds
         :param string $domain: Cookie domain