build(deps): update terraform-aws-modules/acm/aws requirement from ~> 4.3.1 to ~> 5.0.0 (#54)

* build(deps): update terraform-aws-modules/acm/aws requirement from ~> 4.3.1 to ~> 5.0.0

Updates the requirements on [terraform-aws-modules/acm/aws](https://github.com/terraform-aws-modules/terraform-aws-acm) to permit the latest version.
- [Release notes](https://github.com/terraform-aws-modules/terraform-aws-acm/releases)
- [Changelog](https://github.com/terraform-aws-modules/terraform-aws-acm/blob/master/CHANGELOG.md)
- [Commits](terraform-aws-modules/terraform-aws-acm@v4.3.1...v5.0.0)

---
updated-dependencies:
- dependency-name: terraform-aws-modules/acm/aws
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

* build(deps): use DNS as validation method for ACM

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Steve Teuber <[email protected]>

Author: dependabot[bot]

main.tf

@@ -6,11 +6,12 @@ moved {
 module "acm" {
   count   = (var.custom_endpoint_certificate_arn != "") ? 0 : 1
   source  = "terraform-aws-modules/acm/aws"
-  version = "~> 4.3.1"
+  version = "~> 5.0.0"
 
   domain_name = local.custom_endpoint
   zone_id     = data.aws_route53_zone.opensearch.id
 
+  validation_method   = "DNS"
   wait_for_validation = true
 
   tags = var.tags