Add PutObjectLockConfiguration gateway endpoint

[ferristocrat]

What needs to be done? • Acceptance Criteria

Add the corresponding to PutObjectLockConfiguration endpoint on the S3 Gateway - corresponds with Satellite endpoint added here: https://github.com/storj/edge/issues/500

Design

• https://github.com/storj/edge/issues/471

Links

• https://docs.aws.amazon.com/AmazonS3/latest/API/API_PutObjectLockConfiguration.html

[storj-gerrit[bot]]

Change private/{metaclient, bucket}: add SetBucketObjectLockConfiguration method mentions this issue.