Explicitly use terraform 0.11 compatible random provider

Author: dflook

tests/workflows/test-plan/plan_11/main.tf

@@ -9,3 +9,7 @@ output "s" {
 terraform {
   required_version = "~> 0.11.0"
 }
+
+provider "random" {
+  version = "2.3.1"
+}