minor #13743 Update http_foundation.rst to replace withExpiresTime (Arioch171)

This PR was merged into the 5.1 branch.

Discussion
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Update http_foundation.rst to replace withExpiresTime

The method withExpiresTime does not exist in class https://github.com/symfony/symfony/blob/master/src/Symfony/Component/HttpFoundation/Cookie.php#L146.
I think it should be withExpires instead.

Commits
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af77e76 Fix withExpiresTime replaced by withExpires

Author: javiereguiluz

components/http_foundation.rst

@@ -451,7 +451,7 @@ a new object with the modified property::
 
     $cookie = Cookie::create('foo')
         ->withValue('bar')
-        ->withExpiresTime(strtotime('Fri, 20-May-2011 15:25:52 GMT'))
+        ->withExpires(strtotime('Fri, 20-May-2011 15:25:52 GMT'))
         ->withDomain('.example.com')
         ->withSecure(true);