Zabbix

...G...... [ZBX-21205] added information about JSON in oracle.custom.query response

* commit '61a4b87e996204955ea18c612145c0c943d3a424':
  ...G...... [ZBX-21205] added changelog entry
  ...G...... [ZBX-21205] corrected word marshall to convert
  ...G...... [ZBX-21205] added information about JSON and oracle.custom.query