Adds a new microversion to show server 'locked' information in
server details.
DocImpact - See nova/api/openstack/rest_api_version_history.rst
for details
APIImpact
Implements blueprint add-locking-information-in-server-get-response
Depends-on: I5be664c3e99adc37738f8b074f1891dad97497b1
Change-Id: I3e5dc6e37f130f70e3a861a9906bb062c6110742