Zabbix

........S. [DEV-4699] optimized auditlog memory usage

* commit '6a2c2dc55c2f03bbe3dc799313954b1ff8fa9d07':
  ........S. [DEV-4699] fixed compiler and iwyu warnings
  ........S. [DEV-4699] small style fixes
  ........S. [DEV-4699] small style fixes
  ........S. [DEV-4699] fixed memory leak
  ........S. [DEV-4699] renamed functions
  ........S. [DEV-4699] changed zbx_audit_details_to_json() to write into a zbx_json struct instead of a string
  ........S. [DEV-4699] fixed parameter description
  ........S. [DEV-4699] changed how auditlog entry details are stored
  ........S. [DEV-4699] added new function parameter descriptions
  ........S. [DEV-4699] fixed code style
  ........S. [DEV-4699] made details in zbx_audit_entry_t be stored as a vector of json arrays instead of a single json to reduce memory usage
  ........S. [DEV-4699] made audit be collected and flushed separatelly for discovered items, triggers, graphs and hosts