Add changelog entries from botocore

Author: aws-sdk-python-automation

.changes/next-release/api-change-bedrock-17191.json

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+{
+  "type": "api-change",
+  "category": "``bedrock``",
+  "description": "[``botocore``] A CustomModelUnit(CMU) is an abstract view of the hardware utilization that Bedrock needs to host a a single copy of your custom imported model. Bedrock determines the number of CMUs that a model copy needs when you import the custom model. You can use CMUs to estimate the cost of Inference's."
+}

.changes/next-release/api-change-datazone-42615.json

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+{
+  "type": "api-change",
+  "category": "``datazone``",
+  "description": "[``botocore``] Add support for overriding selection of default AWS IAM Identity Center instance as part of Amazon DataZone domain APIs."
+}

.changes/next-release/api-change-route53recoverycontrolconfig-39903.json

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+{
+  "type": "api-change",
+  "category": "``route53-recovery-control-config``",
+  "description": "[``botocore``] Adds dual-stack (IPv4 and IPv6) endpoint support for route53-recovery-control-config operations, opt-in dual-stack addresses for cluster endpoints, and UpdateCluster API to update the network-type of clusters between IPv4 and dual-stack."
+}

.changes/next-release/api-change-sagemaker-82465.json

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+{
+  "type": "api-change",
+  "category": "``sagemaker``",
+  "description": "[``botocore``] This release does the following: 1.) Adds DurationHours as a required field to the SearchTrainingPlanOfferings action in the SageMaker AI API; 2.) Adds support for G6e instance types for SageMaker AI inference optimization jobs."
+}