Zabbix

........S. [ZBX-22782] fixed memory leak in SNMP walk to json with broken parameters

Merge in ZBX/zabbix from feature/ZBX-22782-6.4 to release/6.4

* commit '25d29e1672b19adc614eb76fa595b064a582cf13':
  ........S. [ZBX-22782] fixed memory leak in SNMP walk to json with broken parameters