Zabbix

...G...... [ZBX-23719] updated plugin-support to add duplicate flag handling

* commit '5c589dd6274dc8e5fdc9b30b26f36cae61b12535':
  ...G...... [ZBX-23719] update plugin-support version from release/6.0
  ...G...... [ZBX-23719] update plugin-support version
  ...G...... [ZBX-23719] update plugin-support to add duplicate flag handling