Steps to Reproduce

1. Run coder template create -d examples/do-droplet-linux or another example (see feat: Add examples/templates/do-linux for Digital Ocean Droplets #1749)
2. Add variable (see below) to main.tf
3. Run coder template update do-droplet-linux -d examples/do-droplet-linux
4. Observe error (see below)

variable "step3_random_var" {
  type        = string
  description = "Hello"
}

Expected

Prompt input for the new variable (if marked sensitive), otherwise just work™️.

Actual

Error:

❯ coder template update do-droplet-linux -d ~/src/coder/examples/do-droplet-linux
> Upload "~/src/coder/examples/do-droplet-linux"? (yes/no)
terraform (info):
terraform (info):
terraform (info):
job failed
Run 'coder templates update --help' for usage.