======
* api-change:``codebuild``: [``botocore``] Update codebuild client to latest version
* api-change:``pinpoint``: [``botocore``] Update pinpoint client to latest version
* api-change:``ec2``: [``botocore``] Update ec2 client to latest version
* api-change:``pinpoint-email``: [``botocore``] Update pinpoint-email client to latest version
* api-change:``apigateway``: [``botocore``] Update apigateway client to latest version
* api-change:``waf-regional``: [``botocore``] Update waf-regional client to latest version
* bugfix:session config: [``botocore``] Added the default session configuration tuples back to session.session_vars_map.