make note about deprecation warning (#9717)
make note about deprecation warning (#9717)


mitchellh/packer,ricardclau/packer,rnaveiras/packer,ricardclau/packer,pecigonzalo/packer,rnaveiras/packer,rnaveiras/packer,rnaveiras/packer,ricardclau/packer,ricardclau/packer,rnaveiras/packer,ricardclau/packer,rnaveiras/packer,pecigonzalo/packer,pecigonzalo/packer,mitchellh/packer,hashicorp/packer,pecigonzalo/packer,hashicorp/packer,hashicorp/packer,ricardclau/packer,mitchellh/packer,hashicorp/packer,mitchellh/packer,mitchellh/packer