fix(deps): Update Terraform terraform-google-modules/bootstrap/google to v7 (#1093)

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

Author: renovate[bot]

0-bootstrap/cb.tf

@@ -86,7 +86,7 @@ module "gcp_projects_state_bucket" {
 
 module "tf_source" {
   source  = "terraform-google-modules/bootstrap/google//modules/tf_cloudbuild_source"
-  version = "~> 6.4"
+  version = "~> 7.0"
 
   org_id                = var.org_id
   folder_id             = google_folder.bootstrap.id
@@ -154,7 +154,7 @@ module "tf_private_pool" {
 
 module "tf_cloud_builder" {
   source  = "terraform-google-modules/bootstrap/google//modules/tf_cloudbuild_builder"
-  version = "~> 6.5"
+  version = "~> 7.0"
 
   project_id                   = module.tf_source.cloudbuild_project_id
   dockerfile_repo_uri          = module.tf_source.csr_repos[local.cloudbuilder_repo].url
@@ -205,7 +205,7 @@ module "build_terraform_image" {
 
 module "tf_workspace" {
   source   = "terraform-google-modules/bootstrap/google//modules/tf_cloudbuild_workspace"
-  version  = "~> 6.4"
+  version  = "~> 7.0"
   for_each = local.granular_sa
 
   project_id                = module.tf_source.cloudbuild_project_id

0-bootstrap/main.tf

@@ -44,7 +44,7 @@ resource "google_folder" "bootstrap" {
 
 module "seed_bootstrap" {
   source  = "terraform-google-modules/bootstrap/google"
-  version = "~> 6.3"
+  version = "~> 7.0"
 
   org_id                         = var.org_id
   folder_id                      = google_folder.bootstrap.id

4-projects/modules/infra_pipelines/main.tf

@@ -55,7 +55,7 @@ resource "google_storage_bucket" "cloudbuild_bucket" {
 
 module "tf_workspace" {
   source   = "terraform-google-modules/bootstrap/google//modules/tf_cloudbuild_workspace"
-  version  = "~> 6.4"
+  version  = "~> 7.0"
   for_each = toset(var.app_infra_repos)
 
   project_id = var.cloudbuild_project_id

4-projects/modules/single_project/README.md

@@ -24,7 +24,7 @@
 | vpc\_service\_control\_attach\_enabled | Whether the project will be attached to a VPC Service Control Perimeter | `bool` | `false` | no |
 | vpc\_service\_control\_perimeter\_name | The name of a VPC Service Control Perimeter to add the created project to | `string` | `null` | no |
 | vpc\_service\_control\_sleep\_duration | The duration to sleep in seconds before adding the project to a shared VPC after the project is added to the VPC Service Control Perimeter | `string` | `"5s"` | no |
-| vpc\_type | The type of VPC to attach the project to. Possible options are base or restricted. | `string` | `""` | no |
+| vpc\_type | The type of VPC to attach the project to. Possible options are base or restricted. | `string` | `null` | no |
 
 ## Outputs
 

4-projects/modules/single_project/variables.tf

@@ -75,7 +75,7 @@ variable "environment" {
 variable "vpc_type" {
   description = "The type of VPC to attach the project to. Possible options are base or restricted."
   type        = string
-  default     = ""
+  default     = null
 }
 
 variable "shared_vpc_host_project_id" {