Change log for CYBERARK_EPM

Date Changes
2025-05-22 Enhancement:
- event.idm.read_only_udm.additional.fields: Newly mapped `accessAction`, `accessTargetType`, `agentEventCount`, `modificationTime`, `arrivalTime`, `originalFileName`, `owner`, `packageName`, `publisher`, `setID`, `sourceType`, and `threatProtectionAction` raw log fields with `event.idm.read_only_udm.additional.fields` UDM field.
- event.idm.read_only_udm.metadata.event_timestamp: Mapped `lastEventDate` raw log field with `event.idm.read_only_udm.metadata.event_timestamp` UDM field.
- event.idm.read_only_udm.principal.asset.asset_id: Newly mapped `agentId` raw log field with `event.idm.read_only_udm.principal.asset.asset_id` UDM field.
- event.idm.read_only_udm.principal.user.company_name: Newly mapped `company` raw log field with `event.idm.read_only_udm.principal.user.company_name` UDM field.
- event.idm.read_only_udm.principal.hostname: Newly mapped `computerName` raw log field with `event.idm.read_only_udm.principal.hostname` UDM field.
- event.idm.read_only_udm.principal.asset.hostname: Newly mapped `computerName` raw log field with `event.idm.read_only_udm.principal.asset.hostname` UDM field.
- event.idm.read_only_udm.metadata.product_event_type: Newly mapped `eventType` raw log field with `event.idm.read_only_udm.metadata.product_event_type` UDM field.
- event.idm.read_only_udm.metadata.description: Newly mapped `fileDescription` raw log field with `event.idm.read_only_udm.metadata.description` UDM field.
- event.idm.read_only_udm.target.process.file.names: Newly mapped `fileName` raw log field with `event.idm.read_only_udm.target.process.file.names` UDM field.
- event.idm.read_only_udm.target.file.full_path: Newly mapped `filePath` raw log field with `event.idm.read_only_udm.target.file.full_path` UDM field.
- event.idm.read_only_udm.target.asset.asset_id: Newly mapped `fileQualifier` raw log field with `event.idm.read_only_udm.target.asset.asset_id` UDM field.
- event.idm.read_only_udm.target.file.size: Newly mapped `fileSize` raw log field with `event.idm.read_only_udm.target.file.size` UDM field.
- event.idm.read_only_udm.target.asset.software.version: Newly mapped `fileVersion` raw log field with `event.idm.read_only_udm.target.asset.software.version` UDM field.
- event.idm.read_only_udm.target.file.sha1: Newly mapped `hash` raw log field with `event.idm.read_only_udm.target.file.sha1` UDM field.
- event.idm.read_only_udm.security_result.summary: Newly mapped `justification` raw log field with `event.idm.read_only_udm.security_result.summary` UDM field.
- event.idm.read_only_udm.principal.platform: Newly mapped `operatingSystemType` raw log field with `event.idm.read_only_udm.principal.platform` UDM field.
- event.idm.read_only_udm.metadata.product_version: Newly mapped `productName` and `productVersion` raw log fields with `event.idm.read_only_udm.metadata.product_version` UDM field.
- event.idm.read_only_udm.principal.file.full_path: Newly mapped `sourceName` raw log field with `event.idm.read_only_udm.principal.file.full_path` UDM field.
- event.idm.read_only_udm.network.http.referral_url: Newly mapped `url` raw log field with `event.idm.read_only_udm.network.http.referral_url` UDM field.
- event.idm.read_only_udm.principal.user.userid: Newly mapped `userName` raw log field with `event.idm.read_only_udm.principal.user.userid` UDM field.
- event.idm.read_only_udm.metadata.event_type: Set `event.idm.read_only_udm.metadata.event_type` with `USER_UNCATEGORIZED` when `has_principal_user` is `true` and `STATUS_UPDATE` when `has_principal` is `true` else `GENERIC_EVENT`.
- event.idm.read_only_udm.metadata.vendor_name: Set `event.idm.read_only_udm.metadata.vendor_name` with "CYBERARK".
- event.idm.read_only_udm.metadata.product_name: Set `event.idm.read_only_udm.metadata.product_name` with "EPM".
2023-08-22 Newly created parser.