Zabbix

..F....... [ZBX-24475] improved software update check functionality

* commit '2bde16c207e34d23c08e72637e26621f119d5960':
  ..F....... [ZBX-24475] added catching of errors if JSON parsing failed
  ..F....... [ZBX-24475] added check for version length
  ..F....... [ZBX-24475] fixed software update check cycle being stopped if JSON with versions contains invalid data or request to get or update controller failed
  .D........ [ZBX-24475] added changelog file
  ..F....... [ZBX-24475] postponed software update check on page load
  ..F....... [ZBX-24475] increased delay for next software update check to 72 hours if current export version not being present in received versions array
  ..F....... [ZBX-24475] made error messages more precise
  ..F....... [ZBX-24475] added validation that each element in versions array is an array
  ..F....... [ZBX-24475] fixed old data about release versions not being reset if no data is received from public endpoint