Update agent image and go-agent binary
Update agent image and go-agent binary

go-agent v0.8.2
rancher/agent:v1.2.0-rc1

cjellick/cattle,cloudnautique/cattle,rancherio/cattle,Cerfoglg/cattle,rancher/cattle,Cerfoglg/cattle,vincent99/cattle,rancherio/cattle,Cerfoglg/cattle,cjellick/cattle,cloudnautique/cattle,cloudnautique/cattle,rancher/cattle,cjellick/cattle,vincent99/cattle,cloudnautique/cattle,cjellick/cattle,vincent99/cattle,rancherio/cattle,rancher/cattle