Update changelog based on model updates

Author: aws-sdk-python-automation

.changes/next-release/api-change-appconfig-92451.json

@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``appconfig``",
+  "description": "Adding waiter support for deployments and environments; documentation updates"
+}

.changes/next-release/api-change-connect-73268.json

@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``connect``",
+  "description": "This release adds the following fields to DescribeContact: DisconnectReason, AgentInitiatedHoldDuration, AfterContactWorkStartTimestamp, AfterContactWorkEndTimestamp, AfterContactWorkDuration, StateTransitions, Recordings, ContactDetails, ContactEvaluations, Attributes"
+}

.changes/next-release/api-change-sagemaker-44397.json

@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``sagemaker``",
+  "description": "Feature - Adding support for Scheduled and Rolling Update Software in Sagemaker Hyperpod."
+}

.changes/next-release/api-change-verifiedpermissions-28182.json

@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``verifiedpermissions``",
+  "description": "Amazon Verified Permissions / Features : Adds support for tagging policy stores."
+}