chore(deps): Update Terraform terraform-google-modules/project-factory/google to v15 (#326)

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

Author: renovate[bot]

modules/data_warehouse/main.tf

@@ -16,7 +16,7 @@
 
 module "project-services" {
   source                      = "terraform-google-modules/project-factory/google//modules/project_services"
-  version                     = "~> 14.4"
+  version                     = "~> 15.0"
   disable_services_on_destroy = false
 
   project_id  = var.project_id

test/setup/main.tf

@@ -16,7 +16,7 @@
 
 module "project" {
   source  = "terraform-google-modules/project-factory/google"
-  version = "~> 14.0"
+  version = "~> 15.0"
 
   name                    = "ci-bigquery"
   random_project_id       = "true"