chore(deps): update terraform terraform-ibm-modules/icd-postgresql/ibm to v4.6.3 (#1105)

Author: terraform-ibm-modules-ops

tests/existing-resources/main.tf

@@ -33,7 +33,7 @@ resource "ibm_is_subnet" "testacc_subnet" {
 module "postgresql_db" {
   count               = var.create_db ? 1 : 0
   source              = "terraform-ibm-modules/icd-postgresql/ibm"
-  version             = "4.6.2"
+  version             = "4.6.3"
   resource_group_id   = module.resource_group.resource_group_id
   name                = "${var.prefix}-vpe-pg"
   region              = var.region