Update gitlab KAS RPC names

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/143622



Merged-by: Robert May <rmay@gitlab.com>
Approved-by: Tiger Watson <twatson@gitlab.com>
Approved-by: Timo Furrer <tfurrer@gitlab.com>
Approved-by: Robert May <rmay@gitlab.com>
Co-authored-by: Hristiyan Ivanov <hristiyan.d.ivanov@gmail.com>