Expose `outdated` and `vulnerable` attributes for the version API
Summary
In order to allow users to use tools like Nagios to monitoring their GitLab instances, would be great if the version API return if the current installation is outdated or vulnerable. See: https://about.gitlab.com/2015/05/07/version-check/#comment-3080810187
Proposal
Expose outdated
and vulnerable
attributes for the version API:
{
"version": "8.13.0",
"revision": "4e963fe",
"outdated": true,
"vunerable": false
}