Merge branch 'rz-update-cloud-connector-stage-in-docs' into 'master'

Update the stage of Cloud Connector docs

See merge request !143245



Merged-by: Aleksei Lipniagov <alipniagov@gitlab.com>
Approved-by: Aleksei Lipniagov <alipniagov@gitlab.com>
Approved-by: Paul Phillips <pjphillips@gitlab.com>
Co-authored-by: Roy Zwambag <rzwambag@gitlab.com>

doc/administration/application_settings_cache.md

 ---
-stage: Data Stores
+stage: Systems
 group: Cloud Connector
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://handbook.gitlab.com/handbook/product/ux/technical-writing/#assignments
 ---

doc/administration/monitoring/ip_allowlist.md

 ---
-stage: Data Stores
+stage: Systems
 group: Cloud Connector
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://handbook.gitlab.com/handbook/product/ux/technical-writing/#assignments
 ---

doc/administration/monitoring/performance/index.md

 ---
-stage: Data Stores
+stage: Systems
 group: Cloud Connector
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://handbook.gitlab.com/handbook/product/ux/technical-writing/#assignments
 ---

doc/administration/monitoring/performance/performance_bar.md

 ---
-stage: Data Stores
+stage: Systems
 group: Cloud Connector
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://handbook.gitlab.com/handbook/product/ux/technical-writing/#assignments
 ---

doc/administration/monitoring/prometheus/gitlab_exporter.md

 ---
-stage: Data Stores
+stage: Systems
 group: Cloud Connector
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://handbook.gitlab.com/handbook/product/ux/technical-writing/#assignments
 ---

doc/administration/monitoring/prometheus/web_exporter.md

 ---
-stage: Data Stores
+stage: Systems
 group: Cloud Connector
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://handbook.gitlab.com/handbook/product/ux/technical-writing/#assignments
 ---

doc/administration/sidekiq/sidekiq_memory_killer.md

 ---
-stage: Data Stores
+stage: Systems
 group: Cloud Connector
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://handbook.gitlab.com/handbook/product/ux/technical-writing/#assignments
 ---

doc/development/cached_queries.md

 ---
-stage: Data Stores
+stage: Systems
 group: Cloud Connector
 info: Any user with at least the Maintainer role can merge updates to this content. For details, see https://docs.gitlab.com/ee/development/development_processes.html#development-guidelines-review.
 ---

doc/development/cloud_connector/code_suggestions_for_sm.md

 ---
-stage: Data Stores
+stage: Systems
 group: Cloud Connector
 info: Any user with at least the Maintainer role can merge updates to this content. For details, see https://docs.gitlab.com/ee/development/development_processes.html#development-guidelines-review.
 ---

doc/development/real_time.md

 ---
-stage: Data Stores
+stage: Systems
 group: Cloud Connector
 info: Any user with at least the Maintainer role can merge updates to this content. For details, see https://docs.gitlab.com/ee/development/development_processes.html#development-guidelines-review.
 ---