Bump zuul pbr version to fix keystoneclient-2.2.0
Bump zuul pbr version to fix keystoneclient-2.2.0

Change-Id: I2f783a54f512dbb4e4bf36e34c4658637b67e656

enovance/software-factory,enovance/software-factory,enovance/software-factory,enovance/software-factory,enovance/software-factory