chore(deps): update terraform cloudposse/dynamic-subnets/aws to v3

Author: renovate[bot]

examples/complete/main.tf

@@ -78,7 +78,7 @@ module "vpc" {
 
 module "subnets" {
   source               = "cloudposse/dynamic-subnets/aws"
-  version              = "2.4.2"
+  version              = "3.0.1"
   availability_zones   = var.availability_zones
   vpc_id               = module.vpc.vpc_id
   igw_id               = [module.vpc.igw_id]