chore: Update module versions in acm example (terraform-google-modules#1308)

* Update version to 21.2 to fix the exception of node pool of terraform example * Update the gke module version to latest in the examples * Update the terraform provider version for google-beta Co-authored-by: Bharath KKB <bharathkrishnakb@gmail.com>

Author: Abhisek Purwar

examples/acm-terraform-blog-part1/terraform/gke.tf

@@ -31,7 +31,7 @@ module "enabled_google_apis" {
 
 module "gke" {
  source = "terraform-google-modules/kubernetes-engine/google"
- version = "~> 16.0"
+ version = "~> 21.2"
  project_id = module.enabled_google_apis.project_id
  name = "sfl-acm-part1"
  region = var.region

examples/acm-terraform-blog-part2/terraform/gke.tf

@@ -31,7 +31,7 @@ module "enabled_google_apis" {
 
 module "gke" {
  source = "terraform-google-modules/kubernetes-engine/google"
- version = "~> 16.0"
+ version = "~> 21.2"
  project_id = module.enabled_google_apis.project_id
  name = "sfl-acm-part2"
  region = var.region

examples/acm-terraform-blog-part3/terraform/gke.tf

@@ -33,7 +33,7 @@ module "enabled_google_apis" {
 
 module "gke" {
  source = "terraform-google-modules/kubernetes-engine/google//modules/beta-public-cluster"
- version = "~> 16.0"
+ version = "~> 21.2"
  project_id = module.enabled_google_apis.project_id
  name = "sfl-acm-part3"
  region = var.region
@@ -48,7 +48,7 @@ module "gke" {
 
 module "wi" {
  source = "terraform-google-modules/kubernetes-engine/google//modules/workload-identity"
- version = "~> 16.0.1"
+ version = "~> 21.2"
  gcp_sa_name = "cnrmsa"
  cluster_name = module.gke.name
  name = "cnrm-controller-manager"

examples/acm-terraform-blog-part3/terraform/providers.tf

@@ -18,7 +18,7 @@ terraform {
  required_providers {
  google-beta = {
  source = "hashicorp/google-beta"
- version = "3.73.0"
+ version = "4.27.0"
  }
  }
 }