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* api-change:``sagemaker``: [``botocore``] Update sagemaker client to latest version
* api-change:``gamelift``: [``botocore``] Update gamelift client to latest version
* enhancement:``sts``: [``botocore``] Add support for configuring the use of regional STS endpoints.
* api-change:``chime``: [``botocore``] Update chime client to latest version
* api-change:``appmesh``: [``botocore``] Update appmesh client to latest version
* api-change:``ec2``: [``botocore``] Update ec2 client to latest version