Change log for TRENDMICRO_AV

Date Changes
2023-05-21 Enhancement:
- Mapped Received,Generated to about.labels.
2023-05-09 Enhancement - For logs with CEF format, mapped syslog timestamp to metadata.event_timestamp.
2023-02-03 Enhancement
- Mapped metadata.event_type to SCAN_UNCATEGORIZED if log type is LogSpyware,LogPredictiveMachineLearning.
- Mapped Device_name,Enhetsnavn to principal.hostname.
- Mapped Domain,Domene to principal.administrative_domain.
- Mapped Group_name,Gruppenavn to principal.group.group_display_name.
- Mapped Mottatt to metadata.collected_timestamp.
- Mapped Generert,Generated to metadata.event_timestamp.
- Mapped Subject,Emne,Path to about.process.command_line.
- Mapped Type,Scan_Type to security_result.description.
- Mapped User,Bruker to target.user.userid.
- Mapped CustomerName to target.user.user_display_name.
- Mapped File_name,Object,Objekt,Infected_Resource to target.process.file.full_path.
- Mapped Action_Taken to security_result.action_details.
- Mapped Spyware,Virus_Malware_Name,Unknown_Threat to security_result.threat_name.
2022-05-30 Added support for CEF format logs