Update changelog based on model updates

.changes/next-release/api-change-chime-53582.json

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+{
+  "type": "api-change",
+  "category": "``chime``",
+  "description": "Chime VoiceConnector Logging APIs will now support MediaMetricLogs. Also CreateMeetingDialOut now returns AccessDeniedException."
+}

.changes/next-release/api-change-connect-55642.json

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+{
+  "type": "api-change",
+  "category": "``connect``",
+  "description": "This release adds support for enabling Rich Messaging when starting a new chat session via the StartChatContact API. Rich Messaging enables the following formatting options: bold, italics, hyperlinks, bulleted lists, and numbered lists."
+}

.changes/next-release/api-change-lambda-55046.json

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+{
+  "type": "api-change",
+  "category": "``lambda``",
+  "description": "Adds PrincipalOrgID support to AddPermission API. Customers can use it to manage permissions to lambda functions at AWS Organizations level."
+}

.changes/next-release/api-change-outposts-91971.json

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+{
+  "type": "api-change",
+  "category": "``outposts``",
+  "description": "This release adds address filters for listSites"
+}

.changes/next-release/api-change-secretsmanager-94026.json

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+{
+  "type": "api-change",
+  "category": "``secretsmanager``",
+  "description": "Documentation updates for Secrets Manager."
+}