Steps to Reproduce

1. Runcoder template create -d examples/do-droplet-linux or another example (seefeat: Add examples/templates/do-linux for Digital Ocean Droplets #1749)
2. Add variable (see below) tomain.tf
3. Runcoder 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 failedRun 'coder templates update --help' for usage.