This update for cacti, cacti-spine fixes the following issues:

cacti-spine 1.2.18:

* Fix missing time parameter on FROM_UNIXTIME function

cacti 1.2.18:

* CVE-2020-14424: Lack of escaping on template import can lead to
  XSS exposure under 'midwinter' theme (boo#1188188)
* Real time graphs can expose XSS issue

This update was imported from the openSUSE:Leap:15.2:Update update project.