feat: Add support for AWS provider 5.0

[MaxymVlasov]

Summary

We'd like to use AWS provider 5.0

Remove higher limit, as specified in TF best practices for this case.

How did you test this change?

terraform plan for our infrastructure

module "aws_config" {
  # source  = "lacework/config/aws"
  # version = "0.9.0"
  source = "./terraform-aws-config"

  count = module.this.enabled ? 1 : 0

  lacework_integration_name = "${module.this.tags.Name}-cfg"
  iam_role_name             = module.this.id
}

Issue

Close #63
Close #64

[afiune]

Make it so... (run tests)