[PHP-WEBMASTER] [web-php] PR #1161: 8.4: Changed announced version to 8.4 from 8.4.0

[jorgsowa]

Pull Request: https://github.com/php/web-php/pull/1161
Author: jorgsowa

The version officially announced was 8.4.1, so it's better to skip the patch 
version in the page header.