Add global_search_apdex SLI to metrics-catalog
With !95182 (merged) we exposed the global_search_apdex
metric to Prometheus via GitLab application SLI's. The next step would be to use this metric in our service monitoring and alerts. For that we can follow the steps laid out here: https://docs.gitlab.com/ee/development/application_slis/#using-the-sli-in-service-monitoring-and-alerts
Edited by Roy Zwambag