Sync ``services`` SQLA model with what's in the DB
Sync ``services`` SQLA model with what's in the DB

``replication_status`` is VARCHAR(36) in the DB, but VARCHAR(255) in the
SQLAlchemy model. This commit synchronizes that in the model.

Change-Id: Ie978c7de98484b7249e2918ef00ea3bbd43c0b78
Closes-Bug: 1652263

eharney/cinder,eharney/cinder,ge0rgi/cinder,Datera/cinder,phenoxim/cinder,Datera/cinder,phenoxim/cinder,openstack/cinder,j-griffith/cinder,j-griffith/cinder,mahak/cinder,mahak/cinder,openstack/cinder