Zabbix

.......PS. [ZBX-26006] made PSK comparison case-sensitive during autoregistration

Merge in ZBX/zabbix from feature/ZBX-26006-7.3 to master

* commit 'bcfa2e31cb8474bd51bbb453d79ff402782d3634': (78 commits)
  .......... [ZBX-26006] fixed minor PR comment
  .......... [ZBX-26006] fixed minor PR comment
  .......... [ZBX-26006] updated Changelog to include Zabbix proxy
  .......... [ZBX-26006] fixed syntax job and updated integration test to use new 'settings' table for backup
  .......... [ZBX-26006] added Changelog
  .......... [ZBX-26006] fixed PR comments
  .......... [ZBX-26006] added syntax fixes
  .......... [ZBX-26006] added fix back
  .......... [ZBX-26006] reverted fix again
  .......... [ZBX-26006] removed leftover debug
  .......... [ZBX-26006] updated metadata file
  .......... [ZBX-26006] moved common logic into the helper function
  .......... [ZBX-26006] fixed update autoregistration
  .......... [ZBX-26006] added lower case PSK test
  .......... [ZBX-26006] removed fix
  .......... [ZBX-26006] updated check that ensure that autoregistration failed
  .......... [ZBX-26006] made wrong PSK valid
  .......... [ZBX-26006] fixed autoregistration call
  .......... [ZBX-26006] update autoregistration PSK key
  .......... [ZBX-26006] added cleanup of metadata file
  ...