Updates tag for ELB tfsec invalid headers

Load balancers should drop invalid headers - Application load balancer is not set to drop invalid headers.

ID               - aws-elb-drop-invalid-headers
Severity     - High
Impact       - Invalid headers being passed through to the target of the load balance may exploit vulnerabilities
Resolution - Set drop_invalid_header_fields to true

tfsec finding - https://aquasecurity.github.io/tfsec/v1.26.0/checks/aws/elb/drop-invalid-headers/ - Passing unknown or invalid headers through to the target poses a potential risk of compromise.

AWS - https://docs.aws.amazon.com/elasticloadbalancing/latest/application/application-load-balancers.html

By setting drop_invalid_header_fields to true, anything that doe not conform to well known, defined headers will be removed by the load balancer.

tag 5.1.6

prod/aws-us-gov/mdr-prod-c2/090-instance-vault/terragrunt.hcl

@@ -13,7 +13,7 @@ locals {
 # working directory, into a temporary folder, and execute your Terraform commands in that folder.
 terraform {
   # Double slash is intentional and required to show root of modules
-  source = "git@github.xdr.accenturefederalcyber.com:mdr-engineering/xdr-terraform-modules.git//base/vault?ref=v5.0.0"
+  source = "git@github.xdr.accenturefederalcyber.com:mdr-engineering/xdr-terraform-modules.git//base/vault?ref=v5.1.6"
 }
 
 dependency "vpc-system-services" {

prod/aws-us-gov/mdr-prod-c2/200-customer-portal/terragrunt.hcl

@@ -13,7 +13,7 @@ locals {
 # working directory, into a temporary folder, and execute your Terraform commands in that folder.
 terraform {
   # Double slash is intentional and required to show root of modules
-  source = "git@github.xdr.accenturefederalcyber.com:mdr-engineering/xdr-terraform-modules.git//base/customer_portal?ref=v5.0.12"
+  source = "git@github.xdr.accenturefederalcyber.com:mdr-engineering/xdr-terraform-modules.git//base/customer_portal?ref=v5.1.6"
 }
 
 dependency "vpc" {

test/aws-us-gov/mdr-test-c2/090-instance-vault/terragrunt.hcl

@@ -13,7 +13,7 @@ locals {
 # working directory, into a temporary folder, and execute your Terraform commands in that folder.
 terraform {
   # Double slash is intentional and required to show root of modules
-  source = "git@github.xdr.accenturefederalcyber.com:mdr-engineering/xdr-terraform-modules.git//base/vault?ref=v5.0.0"
+  source = "git@github.xdr.accenturefederalcyber.com:mdr-engineering/xdr-terraform-modules.git//base/vault?ref=v5.1.6"
 }
 
 dependency "vpc-system-services" {

test/aws-us-gov/mdr-test-c2/200-customer-portal/terragrunt.hcl

@@ -13,7 +13,7 @@ locals {
 # working directory, into a temporary folder, and execute your Terraform commands in that folder.
 terraform {
   # Double slash is intentional and required to show root of modules
-  source = "git@github.xdr.accenturefederalcyber.com:mdr-engineering/xdr-terraform-modules.git//base/customer_portal?ref=v5.0.12"
+  source = "git@github.xdr.accenturefederalcyber.com:mdr-engineering/xdr-terraform-modules.git//base/customer_portal?ref=v5.1.6"
 }
 
 dependency "vpc" {