New ports: net-mgmt/zabbix42-[agent|frontend|java|proxy|server]
net-mgmt/zabbix4 -> net-mgmt/zabbix42
What's new in Zabbix 4.2:
https://www.zabbix.com/documentation/4.2/manual/introduction/whatsnew420
PR: 237511
Approved by: Pakhom Golynga <pg@pakhom.spb.ru> (maintainer)