Updated changelog

Author: jpadrianoGo

CHANGELOG.md

@@ -21,6 +21,10 @@
 * Adds `PrivateRunTasks` field to Entitlements by @glennsarti [#944](https://github.com/hashicorp/go-tfe/pull/944)
 * Adds `AgentPool` relationship to options when creating and updating Run Tasks by @glennsarti [#944](https://github.com/hashicorp/go-tfe/pull/944)
 
+## Enhancements
+
+* Adds `DeliveryResponses` parsing in `NotificationConfiguration`, by @jpadrianoGo [#1129](https://github.com/hashicorp/go-tfe/pull/1129)
+
 # v1.82.0
 
 ## Enhancements