Change bifrost release group to bifrost-release
Change bifrost release group to bifrost-release

The release group was previously defined as ironic-release,
however bifrost releases needs to be able to have releases
controlled by those actively working on bifrost.

Change-Id: Ib7e9b6a555e483df8770e7259a932d6e890b7b20

Tesora/tesora-project-config,noorul/os-project-config,dongwenjuan/project-config,openstack-infra/project-config,Tesora/tesora-project-config,noorul/os-project-config,openstack-infra/project-config,dongwenjuan/project-config