Update variables.tf

Author: mrstevegross-tecton

rift_compute/variables.tf

@@ -30,6 +30,10 @@ variable "offline_store_key_prefix" {
   default     = "offline-store/"
 }
 
+variable "cross_account_role_arn" {
+  type        = string
+  description = "Name of cross-account role Tecton control-plane will assume in your account."
+}
 
 variable "subnet_azs" {
   description = "A list of Availability Zones for the subnets. Not used if existing_vpc is provided."
@@ -143,4 +147,4 @@ variable "additional_s3_read_access_buckets" {
   type        = list(string)
   description = "List of additional S3 bucket names in the dataplane account that the rift compute role should have read access to. The role will be granted GetObject, ListBucket, HeadObject, and HeadBucket permissions for these buckets."
   default     = []
-}
+}