[BUG] Regression in FG_R00054

[Octogonapus]

Describe the bug
Regula v3.0.0 checks FG_R00054 incorrectly, reporting that VPC flow logs are not enabled when they actually are.

How you're running Regula

• I'm using Regula v3.0.0 as a CLI tool and my Terraform source code as an input:

regula run .

Operating System
6.0.18-200.fc36.x86_64

Steps to reproduce

With Regula v3.0.0:

regula run .

FG_R00054: VPC flow logging should be enabled [Medium]
           https://docs.fugue.co/FG_R00054.html

  [1]: module.vpc.aws_vpc.this[0]
       in .terraform/modules/vpc/main.tf

FG_R00068: CloudWatch log groups should be encrypted with customer managed KMS keys [Medium]
           https://docs.fugue.co/FG_R00068.html

  [1]: module.vpc.aws_cloudwatch_log_group.flow_log[0]
       in .terraform/modules/vpc/vpc-flow-logs.tf

FG_R00089: VPC default security group should restrict all traffic [Medium]
           https://docs.fugue.co/FG_R00089.html

  [1]: module.vpc.aws_vpc.this[0]
       in .terraform/modules/vpc/main.tf

Found 3 problems.

With Regula v2.10.0:

~/Downloads/regula_2.10.0_Linux_x86_64/regula run .

FG_R00068: CloudWatch log groups should be encrypted with customer managed KMS keys [Medium]
           https://docs.fugue.co/FG_R00068.html

  [1]: module.vpc.aws_cloudwatch_log_group.flow_log
       in .terraform/modules/vpc/vpc-flow-logs.tf:44:1
       included at main.tf:2:42

FG_R00089: VPC default security group should restrict all traffic [Medium]
           https://docs.fugue.co/FG_R00089.html

  [1]: module.vpc.aws_vpc.this
       in .terraform/modules/vpc/main.tf:20:1
       included at main.tf:2:42

Found 2 problems.

IaC Configuration

module "vpc" {
  source                               = "registry.terraform.io/terraform-aws-modules/vpc/aws"
  version                              = "3.14.4"
  cidr                                 = "10.0.0.0/16"
  enable_flow_log                      = true
  create_flow_log_cloudwatch_iam_role  = true
  create_flow_log_cloudwatch_log_group = true
}

Additional context
Add any other context about the problem here.