Revert "Updates module tag for PROD"

This reverts commit 992f44a0979666862429508aa94c0a5b7a8747c0.

prod/aws-us-gov/mdr-prod-c2/099-vault-configuration/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.mdr.defpoint.com:mdr-engineering/xdr-terraform-modules.git//base/vault-configuration?ref=v1.0.5"
+  source = "git@github.mdr.defpoint.com:mdr-engineering/xdr-terraform-modules.git//base/vault-configuration?ref=v0.9.12"
 }
 
 dependency "vpc-system-services" {