Add support for conditions to iam_members module variables (#1594)

* project

* data-catalog-policy-tag

* dataproc

* folder

* iam-service-account

* kms

* net-vpc

* organization

* source-repository

* dataplex-datascan

modules/net-vpc/variables.tf

@@ -183,6 +183,11 @@ variable "subnet_iam_members" {
     member = string
     role   = string
     subnet = string
+    condition = optional(object({
+      expression  = string
+      title       = string
+      description = optional(string)
+    }))
   }))
   nullable = false
   default  = {}