Merge branch '321812-grafana-metrics' into 'master'

Update Usage Ping Metrics Definitions - Grafana metrics

See merge request gitlab-org/gitlab!59928

config/metrics/counts_all/20210216180927_grafana_integrated_projects.yml

 ---
 key_path: counts.grafana_integrated_projects
-description:
+description: Total Grafana integrations attached to projects
 product_section: ops
 product_stage:
 product_group: group::monitor
-product_category:
+product_category: metrics
 value_type: number
 status: data_available
 time_frame: all
@@ -13,4 +13,3 @@ distribution:
 - ce
 tier:
 - free
-skip_validation: true

config/metrics/settings/20210204124922_grafana_link_enabled.yml

@@ -8,9 +8,8 @@ product_category: collection
 value_type: boolean
 status: data_available
 time_frame: none
-data_source:
+data_source: database
 distribution:
 - ce
 tier:
 - free
-skip_validation: true

doc/development/usage_ping/dictionary.md

@@ -1042,7 +1042,7 @@ Tiers: `premium`, `ultimate`
 
 ### `counts.grafana_integrated_projects`
 
-Missing description
+Total Grafana integrations attached to projects
 
 [YAML definition](https://gitlab.com/gitlab-org/gitlab/-/blob/master/config/metrics/counts_all/20210216180927_grafana_integrated_projects.yml)