[Dovecot] Trim autodiscover logs

data/Dockerfiles/dovecot/trim_logs.sh

@@ -5,3 +5,4 @@ redis-cli -h redis LTRIM POSTFIX_MAILLOG 0 LOG_LINES
 redis-cli -h redis LTRIM DOVECOT_MAILLOG 0 LOG_LINES
 redis-cli -h redis LTRIM SOGO_LOG 0 LOG_LINES
 redis-cli -h redis LTRIM NETFILTER_LOG 0 LOG_LINES
+redis-cli -h redis LTRIM AUTODISCOVER_LOG 0 LOG_LINES