Fixes incorrect route table ID for NGA

The first private route table was instead the default route table, thus
providing no route to the TGW for 1/3 of NGA.

prod/aws/legacy-mdr-prod/account.hcl

@@ -88,7 +88,7 @@ locals {
       id = "vpc-05e0cf38982e048db",
       private_subnets = [ "subnet-0065a8d0e2e3e3fe2", "subnet-04e8ba3db254147b2", "subnet-077dd32d6e0f86218" ]
       public_subnets  = [ "subnet-0f022b1ebf155d1f9", "subnet-07ca3ac05830b104d", "subnet-0a2384bce743cf303" ]
-      private_route_tables = [ "rtb-01a71e67e123fcfd3", "rtb-0898516d5a7e7a091", "rtb-09922a5baece66a32" ]
+      private_route_tables = [ "rtb-03b6ef5d5b2b0a490", "rtb-0898516d5a7e7a091", "rtb-09922a5baece66a32" ]
       public_route_tables  = [ "rtb-084bab4d4acc400fc" ]
     }
   }