RDS database does not have IAM authentication enabled

Description

TBD

Fix - Buildtime

Terraform

• Resource: "aws_db_instance
• Argument: iam_database_authentication_enabled

resource "aws_db_instance" "test" {
    ...
+ iam_database_authentication_enabled = true
}

CloudFormation

• Resource: "AWS::RDS::DBInstance
• Argument: Properties.EnableIAMDatabaseAuthentication

Resources:
  DB:
    Type: 'AWS::RDS::DBInstance'
    Properties:
      Engine: 'mysql' # or 'postgres'
      ...
+     EnableIAMDatabaseAuthentication: true