Extract metadata from conaninfo.txt

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/178728



Merged-by: Pavel Shutsin <pshutsin@gitlab.com>
Approved-by: Moaz Khalifa <mkhalifa@gitlab.com>
Approved-by: Abdul Wadood <awadood@gitlab.com>
Approved-by: David Fernandez <dfernandez@gitlab.com>
Approved-by: Pavel Shutsin <pshutsin@gitlab.com>
Reviewed-by: David Fernandez <dfernandez@gitlab.com>
Reviewed-by: Moaz Khalifa <mkhalifa@gitlab.com>
Reviewed-by: Mariana Bocoi <mariana.bocoi@scania.com>
Co-authored-by: Mariana Bocoi <mariana.bocoi@scania.com>