fix: Ensure the correct service CIDR and IP family is used in the rendered user data (#2963)

* fix: Ensuring the correct service CIDR and IP family is used in the rendered user data

* chore: Updates from testing and validating

* chore: Fix example destroy instructions

* fix: Only require `cluster_service_cidr` when `create = true`

* chore: Clean up commented out code and add note on check length

modules/_user_data/versions.tf

@@ -1,10 +1,14 @@
 terraform {
-  required_version = ">= 1.3"
+  required_version = ">= 1.3.2"
 
   required_providers {
     cloudinit = {
       source  = "hashicorp/cloudinit"
       version = ">= 2.0"
     }
+    null = {
+      source  = "hashicorp/null"
+      version = ">= 3.0"
+    }
   }
 }