feat: disable cobbler cache (#256)

- this is required to resolve issues with terraform deploying cobbler
  settings

Reviewed-on: https://git.query.consul/unkinben/puppet-prod/pulls/256

site/profiles/manifests/cobbler/params.pp

@@ -9,6 +9,7 @@ class profiles::cobbler::params (
   String  $next_server   = $::facts['networking']['ip'],
   Boolean $pxe_just_once = true,
   Boolean $is_cobbler_master = false,
+  Boolean $cache_enabled = false,
   Array   $packages = [
       'cobbler',
       'cobbler3.2-web',