feature(iac): fix service-account module

service-account/outputs.tf

@@ -1,3 +1,8 @@
+output "service_account_name" {
+  description = "The name of the service account"
+  value       = var.service_account_name
+}
+
 output "service_account_email" {
   description = "The email of the service account"
   value       = stackit_service_account.this.email

service-account/service-account.tf

@@ -3,6 +3,10 @@ resource "stackit_service_account" "this" {
   project_id = var.stackit_project_id
 }
 
+resource "time_rotating" "this" {
+  rotation_days = 3
+}
+
 resource "stackit_service_account_key" "this" {
   count = var.service_account_create_key ? 1 : 0
 
@@ -13,7 +17,7 @@ resource "stackit_service_account_key" "this" {
   ttl_days              = var.service_account_ttl_days
 }
 
-resource "stackit_service_account_attachment" "this" {
+resource "stackit_server_service_account_attach" "this" {
   count = var.attach_to_server ? 1 : 0
 
   project_id            = var.stackit_project_id