fix: GCP loadbalancer name for grafana
What
Fix the name of the Google Load Balancer for the grafana service
Why
The name we are using doesn't exist
Testing
https://dashboards.gitlab.net/dashboard/snapshot/fpruSRPFQJsDLSM05dGRXUY7bK3bo936 now the Google Load Balancer
link works as expected, the other links will be fixed in a separate merge request.
reference: https://gitlab.com/gitlab-com/gl-infra/reliability/-/issues/15893
Edited by Steve Xuereb