[API Shield] Add endpoint labeling service changelog entry (#18148)

Author: patriciasantaana

src/content/changelogs/api-shield.yaml

@@ -5,6 +5,11 @@ productLink: "/api-shield/"
 productArea: Application security
 productAreaLink: /fundamentals/reference/changelog/security/
 entries:
+  - publish_date: "2024-11-04"
+    title: Endpoint labels
+    description: |-
+      Customers can now organize their endpoints by use case and custom labels in [Endpoint Management](/api-shield/management-and-monitoring/endpoint-labels/) for easy reference and future ML model training.
+
   - publish_date: "2024-10-18"
     title: API Shield fields in Custom Rules
     description: |-