chore(deps): Update Terraform terraform-google-modules/project-factory/google to v15 (#144)

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

Author: renovate[bot]

examples/bq-exfil-demo/projects.tf

@@ -16,7 +16,7 @@
 
 module "project1" {
   source  = "terraform-google-modules/project-factory/google"
-  version = "~> 14.0"
+  version = "~> 15.0"
 
   name              = "vpc-sc-demo-project-1"
   random_project_id = true
@@ -28,7 +28,7 @@ module "project1" {
 
 module "project2" {
   source  = "terraform-google-modules/project-factory/google"
-  version = "~> 14.0"
+  version = "~> 15.0"
 
   name              = "vpc-sc-demo-project-2"
   random_project_id = true

examples/simple_example_dynamic/projects.tf

@@ -16,7 +16,7 @@
 
 module "project_one" {
   source  = "terraform-google-modules/project-factory/google"
-  version = "~> 14.0"
+  version = "~> 15.0"
 
   name              = "vpcsc-test-one"
   random_project_id = true
@@ -26,7 +26,7 @@ module "project_one" {
 
 module "project_two" {
   source  = "terraform-google-modules/project-factory/google"
-  version = "~> 14.0"
+  version = "~> 15.0"
 
   name              = "vpcsc-test-two"
   random_project_id = true
@@ -36,7 +36,7 @@ module "project_two" {
 
 module "project_three" {
   source  = "terraform-google-modules/project-factory/google"
-  version = "~> 14.0"
+  version = "~> 15.0"
 
   name              = "vpcsc-test-two"
   random_project_id = true

test/setup/main.tf

@@ -20,7 +20,7 @@ resource "random_id" "random_suffix" {
 
 module "project-vpc-service-controls" {
   source  = "terraform-google-modules/project-factory/google"
-  version = "~> 14.0"
+  version = "~> 15.0"
 
   name              = "ci-vpc-sc"
   random_project_id = true
@@ -42,7 +42,7 @@ module "project-vpc-service-controls" {
 
 module "project-vpc-service-controls-policy-0" {
   source  = "terraform-google-modules/project-factory/google"
-  version = "~> 14.0"
+  version = "~> 15.0"
 
   name              = "ci-project-policy-test-0"
   random_project_id = true
@@ -58,7 +58,7 @@ module "project-vpc-service-controls-policy-0" {
 
 module "project-vpc-service-controls-policy-1" {
   source  = "terraform-google-modules/project-factory/google"
-  version = "~> 14.0"
+  version = "~> 15.0"
 
   name              = "ci-project-policy-test-1"
   random_project_id = true