[mailman3] Set logging level for database to warning

The database log is really big even on info level, let' set it manually to
warning to save space and don't generate GB of logs.

Signed-off-by: Michal Konecny <mkonecny@redhat.com>

roles/mailman3/defaults/main.yml

@@ -12,7 +12,6 @@ mailman_log_items:
   - bounce
   - config
   - http
-  - database
   - runner
   - smtp
   - subscribe

roles/mailman3/templates/mailman.cfg.j2

@@ -58,6 +58,10 @@ workers: {{ mailman_rest_api_workers }}
 level: {{ mailman_log_level }}
 path: {{ mailman_log_directory }}/mailman.log
 
+[logging.database]
+level: warning
+path: {{ mailman_log_directory }}/database.log
+
 {% for item in mailman_log_items %}
 
 [logging.{{ item }}]