feat: add terraform refresh command

[westonplatter]

what

• Add terraform refresh in our task commands so it's similar to terraform [plan | apply]

why

• There are situations where we need terraform refresh while migrating state from local to a remote backend.

references

• https://github.com/masterpointio/mp-infra/pull/211

Summary by CodeRabbit

• New Features
  • Added a Terraform task to refresh state for a selected environment.
  • Uses environment-specific variables file and supports additional Terraform arguments.
  • Includes a pre-run check to ensure the variables file exists.
  • Behavior aligns with existing Terraform tasks for a consistent workflow.
  • Runs quietly in the current working directory to reduce noise.