test: update variable type vpc_connections because of change in dependent module (#928)

Co-authored-by: Shikha Maheshwari <[email protected]>

Author: maheshwarishikha

examples/landing_zone/main.tf

@@ -62,13 +62,20 @@ module "management_vpc" {
 ##############################################################################
 
 module "tg_gateway_connection" {
-  source                    = "terraform-ibm-modules/transit-gateway/ibm"
-  version                   = "2.4.3"
-  transit_gateway_name      = "${var.prefix}-tg"
-  region                    = var.region
-  global_routing            = false
-  resource_tags             = var.resource_tags
-  resource_group_id         = module.resource_group.resource_group_id
-  vpc_connections           = [module.workload_vpc.vpc_crn, module.management_vpc.vpc_crn]
+  source               = "terraform-ibm-modules/transit-gateway/ibm"
+  version              = "2.5.0"
+  transit_gateway_name = "${var.prefix}-tg"
+  region               = var.region
+  global_routing       = false
+  resource_tags        = var.resource_tags
+  resource_group_id    = module.resource_group.resource_group_id
+  vpc_connections = [
+    {
+      vpc_crn = module.workload_vpc.vpc_crn
+    },
+    {
+      vpc_crn = module.management_vpc.vpc_crn
+    }
+  ]
   classic_connections_count = 0
 }