chore: replace reference to registry with local lookup (#415)

Co-authored-by: Steve Peggs <[email protected]>

Author: shemau

examples/multi-resource-rule/main.tf

@@ -41,8 +41,7 @@ data "ibm_iam_account_settings" "iam_account_settings" {
 ##############################################################################
 
 module "cbr_zone_vpc" {
-  source           = "terraform-ibm-modules/cbr/ibm//modules/cbr-zone-module"
-  version          = "1.18.0"
+  source           = "../../modules/cbr-zone-module"
   name             = "${var.prefix}-VPC-network-zone"
   zone_description = "CBR Network zone containing VPC"
   account_id       = data.ibm_iam_account_settings.iam_account_settings.account_id