Update changelog based on model updates

Author: aws-sdk-python-automation

.changes/next-release/api-change-pinpointsmsvoicev2-95802.json

@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``pinpoint-sms-voice-v2``",
+  "description": "This release adds support for the CarrierLookup API, which returns information about a destination phone number including if the number is valid, the carrier, and more."
+}