Add ability to enable ucp audit logs

Allow to configure audit logs, by default - level is "" - means
disabled. More details https://docs.mirantis.com/mke/3.7/ops/administer-cluster/mke-audit-logging/logging-levels.html
All logs are written to ucp-controller container log. Which is rotated
currently as follows - 3 log files at 1Gb each.

Related-Prod: https://mirantis.jira.com/browse/PRODX-44797
Change-Id: Ib73b30cf874ae119aef8842ea797de42e50b9a40
diff --git a/de/heat-templates/top.yaml b/de/heat-templates/top.yaml
index e09fafe..ee7c964 100644
--- a/de/heat-templates/top.yaml
+++ b/de/heat-templates/top.yaml
@@ -239,6 +239,9 @@
   ucp_metadata:
     type: json
     default: {"role":"ucp"}
+  ucp_audit_log_level:
+    type: string
+    default: ""
   master_metadata:
     type: json
     default: {"role":"master"}
@@ -574,6 +577,7 @@
       kubectl_version: { get_param: kubectl_version }
       devops_utils_refspec: { get_param: devops_utils_refspec }
       k0s_version: { get_param: k0s_version }
+      ucp_audit_log_level: { get_param: ucp_audit_log_level }
 
   masters:
     type: OS::Heat::ResourceGroup