Change log for FLUENTD

Date	Changes
2025-10-31	- `event.idm.read_only_udm.metadata.event_timestamp`: Newly mapped `time` raw log field with `event.idm.read_only_udm.metadata.event_timestamp` UDM field. - `event.idm.read_only_udm.additional.fields`: Newly mapped `stream` raw log field with `event.idm.read_only_udm.additional.fields` UDM field. - `event.idm.read_only_udm.target.resource.name`: Newly mapped `resource` raw log field with `event.idm.read_only_udm.target.resource.name` UDM field. - `event.idm.read_only_udm.principal.resource.name`: Newly mapped `kubernetes.pod_name` raw log field with `event.idm.read_only_udm.principal.resource.name` UDM field. - `event.idm.read_only_udm.principal.namespace`: Newly mapped `kubernetes.namespace_name` raw log field with `event.idm.read_only_udm.principal.namespace` UDM field. - `event.idm.read_only_udm.principal.resource.id`: Newly mapped `kubernetes.pod_id` raw log field with `event.idm.read_only_udm.principal.resource.id` UDM field. - `event.idm.read_only_udm.principal.hostname` and `event.idm.read_only_udm.principal.asset.hostname`: Newly mapped `kubernetes.host` raw log field with `event.idm.read_only_udm.principal.hostname` and `event.idm.read_only_udm.principal.asset.hostname` UDM field. - `event.idm.read_only_udm.principal.application`: Newly mapped `kubernetes.container_name` raw log field with `event.idm.read_only_udm.principal.application` UDM field. - `event.idm.read_only_udm.principal.process.file.full_path`: Newly mapped `kubernetes.container_image` raw log field with `event.idm.read_only_udm.principal.process.file.full_path` UDM field. - `event.idm.read_only_udm.principal.process.file.sha256`: Newly mapped `kubernetes.container_hash` raw log field (specifically the SHA256 part) with `event.idm.read_only_udm.principal.process.file.sha256` UDM field. - `event.idm.read_only_udm.security_result.summary`: Newly mapped `msg` raw log field (extracted from log) with `event.idm.read_only_udm.security_result.summary` UDM field. - `event.idm.read_only_udm.security_result.severity`: Newly mapped `level` raw log field (extracted from log) with `event.idm.read_only_udm.security_result.severity` UDM field. - `event.idm.read_only_udm.security_result.detection_fields`: Newly mapped `kubernetes.docker_id`, `kubernetes.container_hash` raw log field with `event.idm.read_only_udm.security_result.detection_fields` UDM field. - `event.idm.read_only_udm.metadata.event_type`: If `has_principal` is "true", then mapped to `STATUS_UPDATE`, else if `has_principal` is "false" then mapped `event.idm.read_only_udm.metadata.event_type` to `GENERIC_EVENT`. - Added JSON filter for `message` data field to parse the JSON logs in the correct manner. - The drop condition was updated to ensure that the log was only dropped if both `not_in_json` and `not_json_message` were set to "true".
2023-11-29	Aligned 'principal/target.hostname' and 'principal/target.asset.hostname' mapping.
2023-06-14	Updated the parser to include "parse_network_http_user_agent" to use "Parsed User Agent" and "User Agent".
2022-09-28	Promoted parser to default.