upgrate providers and modules to version 4

Author: diegoitaliait

src/domains/diego-app/99_main.tf

@@ -2,26 +2,27 @@ terraform {
   required_providers {
     azurerm = {
       source  = "hashicorp/azurerm"
-      version = "~> 3.110"
+      version = "~> 4"
     }
     azuread = {
       source  = "hashicorp/azuread"
-      version = "<= 2.47.0"
+      version = "~> 2.50"
     }
     null = {
       source  = "hashicorp/null"
-      version = "<= 3.2.1"
+      version = "~> 3.2.1"
     }
     kubernetes = {
       source  = "hashicorp/kubernetes"
       version = "~> 2.30.0"
     }
     helm = {
       source  = "hashicorp/helm"
-      version = "<= 2.12.1"
+      version = "~> 2.12.1"
     }
     local = {
       source = "hashicorp/local"
+      version = "~> 2.5"
     }
     argocd = {
       source  = "argoproj-labs/argocd"
@@ -33,13 +34,22 @@ terraform {
 }
 
 provider "azurerm" {
-  features {}
+  features {
+    key_vault {
+      purge_soft_delete_on_destroy = false
+    }
+  }
 }
 
 data "azurerm_subscription" "current" {}
 
 data "azurerm_client_config" "current" {}
 
+module "__v4__" {
+  # https://github.com/pagopa/terraform-azurerm-v4/releases/tag/v7.31.1
+  source = "git::https://github.com/pagopa/terraform-azurerm-v4.git?ref=50a29c79787596e3d3abfcf896ae2c6c683b25b6"
+}
+
 provider "kubernetes" {
   config_path = "${var.k8s_kube_config_path_prefix}/config-${local.aks_name}"
 }