Change log for CS_FILEVANTAGE

Date Changes
2025-04-16 - event.idm.read_only_udm.security_result.severity: Newly mapped severity raw log field with event.idm.read_only_udm.security_result.severity UDM field and added condition checks.
- If severity raw log field is in ERROR, CRITICAL then mapped event.idm.read_only_udm.security_result.severity to CRITICAL.
- If severity raw log field is in MAJOR, HIGH, MAJOR then mapped event.idm.read_only_udm.security_result.severity to HIGH.
- If severity raw log field is in WARNING then mapped event.idm.read_only_udm.security_result.severity to MEDIUM.
- If severity raw log field is in MINOR,LOW then mapped event.idm.read_only_udm.security_result.severity to LOW.
- If severity raw log field is in INFO then mapped event.idm.read_only_udm.security_result.severity to INFORMATIONAL.
2024-11-26 Newly created parser.