gitlab

Helper method for legacy audit event destinations graphql update

See merge request !175899



Merged-by: Michał Zając <mzajac@gitlab.com>
Approved-by: Shubham Kumar <shukumar@gitlab.com>
Approved-by: Max Orefice <morefice@gitlab.com>
Approved-by: Michał Zając <mzajac@gitlab.com>
Reviewed-by: Michał Zając <mzajac@gitlab.com>
Reviewed-by: George Koltsov <gkoltsov@gitlab.com>
Reviewed-by: Max Orefice <morefice@gitlab.com>
Co-authored-by: Andrew Jung <ajung@gitlab.com>