Correct ansible regex varname in zuul param funcs
Correct ansible regex varname in zuul param funcs

Plain brown wrapper, this hung zuul.

Change-Id: Ia3605ebb4def6b8f2d10c2624307941aebf49746

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