Add changelog entries from botocore

.changes/next-release/api-change-kendra-20043.json

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+{
+  "category": "``kendra``", 
+  "type": "api-change", 
+  "description": "[``botocore``] AWS Kendra now supports checking document status."
+}

.changes/next-release/api-change-personalizeevents-75331.json

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+{
+  "category": "``personalize-events``", 
+  "type": "api-change", 
+  "description": "[``botocore``] Support for unstructured text inputs in the items dataset to to automatically extract key information from product/content description as an input when creating solution versions."
+}

.changes/next-release/api-change-proton-4702.json

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+{
+  "category": "``proton``", 
+  "type": "api-change", 
+  "description": "[``botocore``] This is the initial SDK release for AWS Proton"
+}

.changes/next-release/api-change-transfer-68723.json

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+{
+  "category": "``transfer``", 
+  "type": "api-change", 
+  "description": "[``botocore``] Documentation updates for the AWS Transfer Family service."
+}