Add blue/green deployment (#3291)
Add blue/green deployment (#3291)

We don't want to break the current release pipeline, the whole "for.." section in k8s_deploy
will be deleted after manually switch traffic to AWS EKS blue/green deployment
and change staging DNS from Alicloud cluster to AWS EKS
binary-com/binary-bot,binary-com/binary-bot,aminmarashi/binary-bot,aminmarashi/binary-bot