Change log for ARBOR_EDGE_DEFENSE

Date Changes
2025-10-16 Enhancement -
- Added grok pattern and KV filter to parse new pattern of logs.
- `event.idm.read_only_udm.additional.fields`: Newly mapped `cn1Label`, `cn1` raw log fields to `event.idm.read_only_udm.additional.fields` UDM field.
2023-02-21 Enhancement -
- Mapped "protection_Group_Name","traffic_level" to "principal.group.attribute.labels".
2022-11-03 Enhancement - Extracted the value of hostname from syslog header and mapped it to "intermediary.hostname".
- Mapped "msg" to "metadata.description".
- Extracted value of "group_name", "traffic_level" from "msg" field and mapped it to "principal.group.attribute.labels".
- Mapped "cs3Label", "cs3" to "security_result.detection_fields".
- Mapped "cs7" to "security_result.category_details".
2022-09-30 Newly created parser