Module gets region, cluster name, project and client service account id as input and creates a service account impersonation role binding.
Outputs client service account name and email amd cast created service account email.
module "service_account_impersonation" {
source = "castai/gke-iam-impersonate/castai"
region = "us-central1"
cluster_name = "my-cluster"
project = "my-project"
client_service_account_id = "client-service-account-unique-string"
}