chore: bump to latest version of Aspect Workflows starter image (#571)

.aspect/workflows/terraform/workflows.tf

diff --git a/.aspect/workflows/terraform/workflows.tf b/.aspect/workflows/terraform/workflows.tf
index 41b83ed..67c4536 100644
--- a/.aspect/workflows/terraform/workflows.tf
+++ b/.aspect/workflows/terraform/workflows.tf
@@ -6,7 +6,7 @@
   # https://github.com/aspect-build/workflows-images for example packer scripts and BUILD targets
   # for building GCP images for Workflows.
   project = "aspect-workflows-images"
-  name    = "aspect-workflows-debian-11-minimal-1-3-0"
+  name    = "aspect-workflows-debian-11-minimal-1-5-0"
 }
 
 module "aspect_workflows" {