Update copilot-usage-metrics.md with new content (#59081)

Co-authored-by: Ben Ahmady <32935794+subatoi@users.noreply.github.com>

Author: kyanny

content/rest/copilot/copilot-usage-metrics.md

@@ -10,6 +10,8 @@ autogenerated: rest
 allowTitleToDifferFromFilename: true
 ---
 
+{% data reusables.copilot.usage-metrics-preview %}
+
 To enable these endpoints, the "{% data variables.product.prodname_copilot_short %} usage metrics" policy must be set to **Enabled everywhere** for the enterprise. See [AUTOTITLE](/copilot/how-tos/administer-copilot/manage-for-enterprise/manage-enterprise-policies#defining-policies-for-your-enterprise).
 
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