Bump boto3 in yoga
Bump boto3 in yoga

For some reason in yoga we have an older version that in xena and
wallaby. That version is incompatible with s3transfer in deps repo so
let's update to match what is in other versions.

Change-Id: I82fca8d094468f483e22d654befcf6ccdb9a62ca

redhat-openstack/rdoinfo