chore: fix "name" deprecation for aws_region data source (#363)

* chore: fix "name" deprecation for aws_region data source

This fixes the deprecation of the "name" attribute for the aws_region data source, adding a fallback for provider versions < 6.0.0.

* fixup! chore: fix "name" deprecation for aws_region data source

* fixup! chore: fix "name" deprecation for aws_region data source

---------

Co-authored-by: Igor Rodionov <[email protected]>

Author: morremeyer

main.tf

@@ -97,7 +97,7 @@ locals {
     "eu-north-1"   = "eu-west-2"
     "me-south-1"   = "ap-south-1"
   }
-  origin_shield_region = local.enabled ? lookup(local.origin_shield_region_fallback_map, data.aws_region.current[0].name, data.aws_region.current[0].name) : "this string is never used"
+  origin_shield_region = local.enabled ? lookup(local.origin_shield_region_fallback_map, data.aws_region.current[0].region, data.aws_region.current[0].region) : "this string is never used"
 
   cors_origins = distinct(compact(concat(var.cors_allowed_origins, var.aliases, var.external_aliases)))
 }

versions.tf

@@ -4,7 +4,7 @@ terraform {
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = ">= 4.9"
+      version = ">= 6.0"
     }
     random = {
       source  = "hashicorp/random"