feat(changelog): add new entry

Author: Changelog bot

changelog/march2025/2025-03-28-key-manager-added-key-manager-events-in-audit-trail.mdx

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+---
+title: Key Manager events in Audit Trail
+status: added
+date: 2025-03-28
+category: security-identity
+product: key-manager
+---
+
+### What's included:
+* Track encryption key creation, editing, rotation and deletion
+
+### Key benefits:
+* Full visibility within 2 seconds of action completion
+* Complete audit logs with user IDs, timestamps
+* Simple filtering by action type and principal
+* One-month log retention
+
+Access this feature in the [Audit Trail section](https://console.scaleway.com/audit-trail/) of the Scaleway console.
+