Change service name to workflowv2 in docs
Change service name to workflowv2 in docs

Today we use workflowv2 instead of workflow. Clients and puppets expect
it.

Change-Id: Id2994db9bbb2b1440bd9c92706dbd1ff6616569b
Closes-Bug: 1688219

StackStorm/mistral,openstack/mistral,StackStorm/mistral,openstack/mistral