Support regional secrets

[HauserV]

Description

Extend the recently added secrets manager data source (#29, PR #261) to support regional secrets.

Use Case(s)

Enable users with strict data residency and data sovereignty requirements to make use of the secret manager data source.

Potential configuration

data "googlecompute-secretsmanager" "test" {
  project_id  = var.project_id
  location    = "europe-west3" # <- new key
  name        = var.secret_name
  key         = var.key
}

Potential References

• Access a regional secret version | Secret Manager Documentation | Google Cloud
• Secret Manager locations | Secret Manager Documentation | Google Cloud