chore: renamed description of network variable

Author: pawan1210

modules/frontend/variables.tf

@@ -162,7 +162,7 @@ variable "load_balancing_scheme" {
 }
 
 variable "network" {
-  description = "Network for INTERNAL_SELF_MANAGED load balancing scheme"
+  description = "Network for INTERNAL_SELF_MANAGED/INTERNAL_MANAGED load balancing scheme"
   type        = string
   default     = "default"
 }
@@ -198,3 +198,9 @@ variable "http_keep_alive_timeout_sec" {
   type        = number
   default     = null
 }
+
+variable "internal_forwarding_rule_subnetworks" {
+  description = "Subnetworks for internal forwarding rules."
+  type = list(string)
+  default = []
+}