CLOUDIFY-2022 add explicit protobuf dependency for bernhard
CLOUDIFY-2022 add explicit protobuf dependency for bernhard

codilime/cloudify-plugins-common,isaac-s/cloudify-plugins-common,cloudify-cosmo/cloudify-plugins-common,geokala/cloudify-plugins-common,cloudify-cosmo/cloudify-plugins-common,cloudify-cosmo/cloudify-plugins-common,isaac-s/cloudify-plugins-common,codilime/cloudify-plugins-common,xdegenne/cloudify-plugins-common,isaac-s/cloudify-plugins-common,codilime/cloudify-plugins-common,Fewbytes/cosmo-celery-common-pending-delete