Skip tempest plugin tests on releasenotes changes
Skip tempest plugin tests on releasenotes changes

The other devstack jobs in project-config all have a releasenotes
exclusion on them. Add one to these too.

Change-Id: I60173e21d5ff514f15573ccb9f535f04d130fe42

mahak/neutron,noironetworks/neutron,openstack/neutron,noironetworks/neutron,huntxu/neutron,eayunstack/neutron,mahak/neutron,eayunstack/neutron,openstack/neutron,huntxu/neutron,openstack/neutron,mahak/neutron