docs: add deprecation of Cookie::withNeverExpiring()

kenjis · kenjis · commit 9ab4a361ac6d · 2022-08-31T18:24:14.000+09:00
diff --git a/user_guide_src/source/changelogs/v4.2.6.rst b/user_guide_src/source/changelogs/v4.2.6.rst
@@ -27,7 +27,7 @@ none.
 Deprecations
 ************
 
-none.
+- :php:meth:`CodeIgniter\\Cookie\\Cookie::withNeverExpiring()` is deprecated.
 
 Bugs Fixed
 **********
diff --git a/user_guide_src/source/libraries/cookies.rst b/user_guide_src/source/libraries/cookies.rst
@@ -326,6 +326,8 @@ Class Reference
 
     .. php:method:: withNeverExpiring()
 
+        .. important:: This method is deprecated.
+
         :param string $name:
         :rtype: ``Cookie``
         :returns: new ``Cookie`` instance
