chore: upgrade to Aspect Workflows 5.9.4 (#1476)

Author: gregmagolan

.aspect/workflows/terraform/main.tf

@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 1.4.0"
+  required_version = ">= 1.5.0"
 
   backend "gcs" {
     bucket = "aw-deployment-terraform-state-rules-js"

.aspect/workflows/terraform/workflows.tf

@@ -16,7 +16,7 @@ module "aspect_workflows" {
   region  = local.region
 
   # Aspect Workflows terraform module
-  source = "https://s3.us-east-2.amazonaws.com/static.aspect.build/aspect/5.9.2/terraform-gcp-aspect-workflows.zip"
+  source = "https://s3.us-east-2.amazonaws.com/static.aspect.build/aspect/5.9.4/terraform-gcp-aspect-workflows.zip"
 
   # Network properties
   network    = google_compute_network.workflows_network.id