Add tracking and metrics to admin application settings ci cd page

app/views/admin/application_settings/_ci_cd.html.haml

-.settings-content
+.settings-content{ data: { event_tracking_load: 'true', event_tracking: 'view_admin_application_settings_ci_cd_pageload' } }
   = gitlab_ui_form_for @application_setting, url: ci_cd_admin_application_settings_path(anchor: 'js-ci-cd-settings'), html: { class: 'fieldset-form' } do |f|
     = form_errors(@application_setting)
 

config/events/view_admin_application_settings_ci_cd_pageload.yml

+---
+description: Tracks pageviews for the admin application settings CI/CD page
+internal_events: true
+action: view_admin_application_settings_ci_cd_pageload
+identifiers:
+- user
+product_group: personal_productivity
+milestone: '17.2'
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/158131
+distributions:
+- ce
+- ee
+tiers:
+- free
+- premium
+- ultimate

config/metrics/counts_28d/count_distinct_user_id_from_view_admin_application_settings_ci_cd_pageload_monthly.yml

+---
+key_path: redis_hll_counters.count_distinct_user_id_from_view_admin_application_settings_ci_cd_pageload_monthly
+description: Monthly count of unique users who visisted the admin application settings CI/CD page
+product_group: personal_productivity
+performance_indicator_type: []
+value_type: number
+status: active
+milestone: '17.2'
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/158131
+time_frame: 28d
+data_source: internal_events
+data_category: optional
+distribution:
+- ce
+- ee
+tier:
+- free
+- premium
+- ultimate
+events:
+- name: view_admin_application_settings_ci_cd_pageload
+  unique: user.id

config/metrics/counts_28d/count_total_view_admin_application_settings_ci_cd_pageload_monthly.yml

+---
+key_path: counts.count_total_view_admin_application_settings_ci_cd_pageload_monthly
+description: Monthly count of total users who visisted the admin application settings CI/CD page
+product_group: personal_productivity
+performance_indicator_type: []
+value_type: number
+status: active
+milestone: '17.2'
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/158131
+time_frame: 28d
+data_source: internal_events
+data_category: optional
+distribution:
+- ce
+- ee
+tier:
+- free
+- premium
+- ultimate
+events:
+- name: view_admin_application_settings_ci_cd_pageload

config/metrics/counts_7d/count_distinct_user_id_from_view_admin_application_settings_ci_cd_pageload_weekly.yml

+---
+key_path: redis_hll_counters.count_distinct_user_id_from_view_admin_application_settings_ci_cd_pageload_weekly
+description: Weekly count of unique users who visisted the admin application settings CI/CD page
+product_group: personal_productivity
+performance_indicator_type: []
+value_type: number
+status: active
+milestone: '17.2'
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/158131
+time_frame: 7d
+data_source: internal_events
+data_category: optional
+distribution:
+- ce
+- ee
+tier:
+- free
+- premium
+- ultimate
+events:
+- name: view_admin_application_settings_ci_cd_pageload
+  unique: user.id

config/metrics/counts_7d/count_total_view_admin_application_settings_ci_cd_pageload_weekly.yml

+---
+key_path: counts.count_total_view_admin_application_settings_ci_cd_pageload_weekly
+description: Weekly count of total users who visisted the admin application settings CI/CD page
+product_group: personal_productivity
+performance_indicator_type: []
+value_type: number
+status: active
+milestone: '17.2'
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/158131
+time_frame: 7d
+data_source: internal_events
+data_category: optional
+distribution:
+- ce
+- ee
+tier:
+- free
+- premium
+- ultimate
+events:
+- name: view_admin_application_settings_ci_cd_pageload