fix: broken grpc_requests RPS - Overall for hybrid architectures without Praefect
Closes https://gitlab.com/gitlab-com/gl-infra/gitlab-dedicated/team/-/issues/770
In hybrid architectures, Praefect could be installed or not, to allow the metric grpc_requests RPS - Overall
to works in any condition we need to change the job parameter from praefect
to gitaly
.
Edited by Cristiano Casella