Change mode for wazuh-template.json

Readable for others, as in the [documentation](https://documentation.wazuh.com/current/installation-guide/wazuh-server/step-by-step.html#configuring-filebeat)

Author: poloz-lab

manifests/filebeat_oss.pp

@@ -43,7 +43,7 @@
   file { '/etc/filebeat/wazuh-template.json':
     owner   => 'root',
     group   => 'root',
-    mode    => '0440',
+    mode    => '0444',
     content => file('wazuh/wazuh_template_4.3.json'),
     notify  => Service['filebeat'],
     require => Package['filebeat'],