Change log for GMV_CHECKER

Date	Changes
2024-03-13	Enhancement: - Added a Grok pattern to parse unparsed logs. - Mapped "user_disp_name" to "principal.user.user_display_name". - Mapped "user_role" to "principal.user.user_role". - If "field2" is present, then mapped "field2" to "principal.user.attribute.permission.description". - If value of the field "field2" is "R", then set "principal.user.attribute.permission.type" to "DATA_READ". - If value of the field "field2" is "W", then set "principal.user.attribute.permission.type" to "DATA_WRITE". - If "field3" is present, then mapped "field3" to "principal.user.attribute.permission.description". - If value of the field "field3" is "R", then set "principal.user.attribute.permission.type" to "DATA_READ". - If value of the field "field3" is "W", then set "principal.user.attribute.permission.type" to "DATA_WRITE".
2022-04-20	Bug - Removed host-specific condition.
2022-03-28	Enhancement-Mapped the following fields: collected_timestamp, event_timestamp, host, type, Event type, ip, user, description.
2022-03-23	Feature Request-Mapped agent_hostname to principal.hostname. Added mapping for a new unique log.