aws_subnet_ids datasource deprecated in latest aws provider

[sergeisourcepoint]

fix

diff --git a/vpce.tf b/vpce.tf
index 69f35cf..ea6a22d 100644
--- a/vpce.tf
+++ b/vpce.tf
@@ -1,11 +1,14 @@
 locals {
   region  = var.vpc_endpoints_enabled && var.vpc_id != null ? split(":", data.aws_vpc.selected[0].arn)[3] : data.aws_region.current.name
-  subnets = var.vpc_endpoints_enabled ? var.subnet_ids != [] ? var.subnet_ids : data.aws_subnet_ids.selected[0].ids : []
+  subnets = var.vpc_endpoints_enabled ? var.subnet_ids != [] ? var.subnet_ids : data.aws_subnets.selected[0].ids : []
 }

-data "aws_subnet_ids" "selected" {
+data "aws_subnets" "selected" {
   count  = var.vpc_endpoints_enabled ? 1 : 0
-  vpc_id = var.vpc_id
+  filter {
+    name   = "vpc-id"
+    values = [var.vpc_id]
+  }
 }