packer: bump output box to 0.5.0
packer: bump output box to 0.5.0

phnmnl/mantl,bitium/mantl,abn/microservices-infrastructure,datascienceinc/mantl,huodon/microservices-infrastructure,CiscoCloud/mantl,mantl/mantl,phnmnl/mantl,bitium/mantl,sehqlr/mantl,ContainerSolutions/microservices-infrastructure,abn/microservices-infrastructure,datascienceinc/mantl,huodon/microservices-infrastructure,huodon/microservices-infrastructure,mantl/mantl,CiscoCloud/microservices-infrastructure,CiscoCloud/microservices-infrastructure,KaGeN101/mantl,KaGeN101/mantl,CiscoCloud/mantl,ContainerSolutions/microservices-infrastructure,abn/microservices-infrastructure,sehqlr/mantl,huodon/microservices-infrastructure,huodon/microservices-infrastructure