chore(deps): Update Terraform terraform-google-modules/network/google to v9 (#877)

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

Author: renovate[bot]

examples/shared_vpc/main.tf

@@ -46,7 +46,7 @@ module "host-project" {
  *****************************************/
 module "vpc" {
   source  = "terraform-google-modules/network/google"
-  version = "~> 8.0"
+  version = "~> 9.0"
 
   project_id                             = module.host-project.project_id
   network_name                           = var.network_name

test/fixtures/full/main.tf

@@ -40,7 +40,7 @@ locals {
 
 module "vpc" {
   source  = "terraform-google-modules/network/google"
-  version = "~> 8.0"
+  version = "~> 9.0"
 
   network_name = "pf-test-int-full-${var.random_string_for_testing}"
   project_id   = var.shared_vpc