[php-src] Issue #9200: setcookie has an obsolete expires date format

Issue: https://github.com/php/php-src/issues/9200 Author: GuySartorelli ### Description setcookie() gives an expires date format that is non-standard as per [MDN](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie#permanent_cookie) and [HTTP RFC 2616](https://www.rfc-editor.org/rfc/rfc2616#page-20) - the latter of which explicitly refers to the format PHP's setcookie() outputs as "obsolete". The following code: ```php <?php setcookie('expires-format-test', 'test', strtotime('now + 1 minute')); ``` Resulted in this header output: Set-Cookie | expires-format-test=test; expires=Sat, 30-Jul-2022 05:12:54 GMT; Max-Age=60 But I expected this header output instead: Set-Cookie | expires-format-test=test; expires=Sat, 30 Jul 2022 05:12:54 GMT; Max-Age=60 ### PHP Version PHP 8.0.21 ### Operating System _No response_