Update feature-overview-for-github-enterprise-cloud-with-data-residen… (#54462)

Co-authored-by: Sophie <[email protected]>

Author: jczimskey

content/admin/data-residency/feature-overview-for-github-enterprise-cloud-with-data-residency.md

@@ -29,6 +29,7 @@ The following features are currently unavailable on {% data variables.enterprise
 | {% data variables.product.prodname_importer %} | Currently unavailable | [AUTOTITLE](/migrations/importing-source-code/using-github-importer/about-github-importer) |
 | {% data variables.product.prodname_copilot %} Workspaces | Currently unavailable | N/A |
 | {% data variables.product.prodname_copilot_extensions %} | Currently unavailable | [AUTOTITLE](/copilot/using-github-copilot/using-extensions-to-integrate-external-tools-with-copilot-chat) |
+| {% data variables.product.prodname_copilot_short %} Metrics API | Currently unavailable | [AUTOTITLE](/rest/copilot/copilot-metrics) |
 | Interactive maps | Currently can't use GeoJSON/TopoJSON syntax to create interactive maps. | [AUTOTITLE](/get-started/writing-on-github/working-with-advanced-formatting/creating-diagrams#creating-geojson-and-topojson-maps) |
 | Usage metrics for {% data variables.product.prodname_actions %} | Currently unavailable | [AUTOTITLE](/organizations/collaborating-with-groups-in-organizations/viewing-usage-metrics-for-github-actions) |
 | Restricting {% data variables.product.prodname_actions %} policies to verified creators | Currently unavailable | [AUTOTITLE](/admin/enforcing-policies/enforcing-policies-for-your-enterprise/enforcing-policies-for-github-actions-in-your-enterprise#allow-enterprise-and-select-non-enterprise-actions-and-reusable-workflows) |