link from Released to Roadmap

Author: mikehoffms

microsoft-edge/extensions-chromium/whats-new/released-features.md

@@ -49,6 +49,9 @@ You can integrate REST API endpoints directly into your continuous integration/c
 
 Update September 2024: v1.1 of this REST API provides increased security.
 
+See also:
+* [Deprecation of the Update REST API v1](../whats-new/roadmap.md#deprecation-of-the-update-rest-api-v1) in _Roadmap for Microsoft Edge Add-ons_.
+
 
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 ## Addition of breadcrumbs to Microsoft Partner Center