Add changelog entries from botocore

Author: aws-sdk-python-automation

.changes/next-release/api-change-athena-11380.json

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+{
+  "type": "api-change",
+  "category": "``athena``",
+  "description": "[``botocore``] This release adds subfields, ErrorMessage, Retryable, to the AthenaError response object in the GetQueryExecution API when a query fails."
+}

.changes/next-release/api-change-lightsail-6612.json

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+{
+  "type": "api-change",
+  "category": "``lightsail``",
+  "description": "[``botocore``] This release adds support to describe the synchronization status of the account-level block public access feature for your Amazon Lightsail buckets."
+}

.changes/next-release/api-change-rds-97630.json

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+{
+  "type": "api-change",
+  "category": "``rds``",
+  "description": "[``botocore``] Removes Amazon RDS on VMware with the deletion of APIs related to Custom Availability Zones and Media installation"
+}