chore(deps): Update Terraform terraform-google-modules/project-factory/google to v15 (#558)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

test/setup/main.tf

@@ -38,7 +38,7 @@ resource "google_folder" "folder3" {
 
 module "project" {
   source  = "terraform-google-modules/project-factory/google"
-  version = "~> 14.0"
+  version = "~> 15.0"
 
   name              = "ci-network"
   random_project_id = "true"