Zabbix

..FG...PS. [ZBXNEXT-6554] increased output remote execution limit to 16MBs

Merge in ZBX/zabbix from feature/ZBXNEXT-6554-6.0 to release/6.0

* commit '52e35432850098b1fd165f1bc059b06d902ad3bb':
  .......PS. [ZBXNEXT-6554] reverted increased length of remote command task result to longtext
  ...G...... [ZBXNEXT-6554] minor optimization
  ...G...... [ZBXNEXT-6554] increased vfs.file.contents for Agent2
  .......... [ZBXNEXT-6554] added changelog
  ...G...... [ZBXNEXT-6554] fixed crash in system.sw.packages
  ...G...... [ZBXNEXT-6554] increased limit for system.sw.packages
  .......PS. [ZBXNEXT-6554] increased length of remote command task result to longtext
  .......PS. [ZBXNEXT-6554] incresed vfs.file.contents limit to 16MB
  ..FG...PS. [ZBXNEXT-6554] increased output remote execution limit to 16MBs