Monasca log-metrics - Drop "notice" and "note" loglevel metrics by default

Those loglevels can build up over time and create unnecessary high metrics cardinality.

Change-Id: Ib1a03772d0bd58758430b37b4f2f67126cf86fa3
Closes-Bug: #1906796
(cherry picked from commit 3d955f3)

Author: bbezak

ansible/roles/monasca/templates/monasca-log-metrics/log-metrics.conf.j2

@@ -19,7 +19,7 @@ input {
 
 filter {
     # Drop everything we don't want to create metrics for.
-    if ![log][dimensions][log_level] or [log][dimensions][log_level] in [ "debug", "trace", "info" ] {
+    if ![log][dimensions][log_level] or [log][dimensions][log_level] in [ "debug", "trace", "info", "notice", "note" ] {
         drop {
         }
     }

releasenotes/notes/bug-1906796-e52b9e113f36ceed.yaml

@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    Fixes `LP#1906796
+    <https://bugs.launchpad.net/kolla-ansible/+bug/1906796>`__ by adding
+    notice and note loglevels to monasca log-metrics drop configuration