Aws\Api- Fixed bug with marshalling empty strings from dynamodbAws\Build- Updated packager code to work with Guzzle 7.Aws\Connect- Documentation updates for Amazon Connect.Aws\ElastiCache- Documentation updates for elasticacheAws\S3- Adds a V2 implementation for the S3 encryption client, which has an updated encryption workflow and should be used over the original encryption client when possible.