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