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* api-change:``ec2``: [``botocore``] Update ec2 client to latest version
* api-change:``storagegateway``: [``botocore``] Update storagegateway client to latest version
* api-change:``s3``: [``botocore``] Update s3 client to latest version
* api-change:``elasticache``: [``botocore``] Update elasticache client to latest version
* api-change:``iam``: [``botocore``] Update iam client to latest version