update changelog
update changelog

mitchellh/packer,hashicorp/packer,mitchellh/packer,pecigonzalo/packer,mitchellh/packer,hashicorp/packer,hashicorp/packer,mitchellh/packer,hashicorp/packer,pecigonzalo/packer,pecigonzalo/packer,pecigonzalo/packer,mitchellh/packer