Merge branch '427594-add-support-for-querying-work-items-by-reference' into 'master'

Add support for querying work items by references

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/137018



Merged-by: Mario Celi <mcelicalderon@gitlab.com>
Approved-by: Joseph Wambua <jjoshua@gitlab.com>
Approved-by: Mario Celi <mcelicalderon@gitlab.com>
Reviewed-by: Eugenia Grieff <egrieff@gitlab.com>
Reviewed-by: Mario Celi <mcelicalderon@gitlab.com>
Co-authored-by: Eugenia Grieff <egrieff@gitlab.com>