Zabbix

...G...... [ZBX-19614] fixed proc.num plugin failing for Zabbix agent 2

* commit '3eb6b352da72476fab8679d9f68c4fa46ddf746c':
  ...G...... [ZBX-19614] updated go.mod to specify newer go version for Zabbix agent 2
  .D........ [ZBX-19614] added ChangeLog entry
  ...G...... [ZBX-19614] fixed proc.num,proc.cpu.utilization,proc.mem metrics not working properly when compiled with unsupported Go version and improved performance by using functions introduced in Go 1.16
  ...G...... [ZBX-19614] fixed proc.num plugin failing for Zabbix agent 2

(cherry picked from commit 265d1421afc4f4f7e64442e718de89568c95899c)