build: Add missing variables

packer/build.pkr.hcl

@@ -28,6 +28,7 @@ build {
 
     extra_arguments  = [
       "--extra-vars", "appliancetype=${source.name}",
+      "--extra-vars", "applianceversion=${var.appliance_version}",
       "--extra-vars", "ansible_ssh_pass=${var.ssh_password}",
       "--extra-vars", "docker_username=${var.docker_username}",
       "--extra-vars", "docker_password=${var.docker_password}",

packer/variables.pkr.hcl

@@ -34,4 +34,5 @@ variable "docker_password" {
     sensitive = true
 }
 
+variable "appliance_version" {}
 variable "k8s_version" {}