chore: remove aws provider v6 upper bound (#103)

* chore: remove aws provider v6 upper bound

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* Update versions.tf

* Update Datadog credentials module version

---------

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: RoseSecurity <72598486+RoseSecurity@users.noreply.github.com>
Co-authored-by: Igor Rodionov <496956+goruha@users.noreply.github.com>

Author: 4 people

src/provider-datadog.tf

@@ -1,5 +1,5 @@
 module "datadog_configuration" {
-  source                  = "github.com/cloudposse-terraform-components/aws-datadog-credentials//src/modules/datadog_keys?ref=v1.535.13"
+  source                  = "github.com/cloudposse-terraform-components/aws-datadog-credentials//src/modules/datadog_keys?ref=v2.0.0"
   enabled                 = true
   context                 = module.this.context
   global_environment_name = var.datadog_configuration_environment

src/versions.tf

@@ -4,7 +4,7 @@ terraform {
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = ">= 4.0, < 6.0.0"
+      version = ">= 6.0"
     }
     datadog = {
       source  = "datadog/datadog"