Updated openstack/openstack
Project: openstack/trove  d9c55d2759d6d37be9bbfbb8776bc1a8f9611322

Increase instances.task_description column size

The instances.task_description column size is too small to use.
This fix increases it to 255.

The migration is totally safe and the downgrade operation
is not needed.

Change-Id: I658e0dea3d304409085162ec4a2b79f8473a71c4
Closes-Bug: #1334795