Change log for PAN_PANORAMA

Date Changes
2024-09-10 Enhancement:
- Removed duplicate mapping for "security_result.detection_fields".
- Modified field value for "metadata.product_event_type".
2024-09-02 Enhancement:
- Mapped "sub_type" to "additional.fields".
2024-07-19 Enhancement:
- Implemented parsing for 'Threat' subtype and modified existing parsers to accurately populate the corresponding UDM field.
- Added support for CSV logs where "type" is equal to "CONFIG".
2024-07-10 Enhancement:
- Added support for "USERID" CSV logs.
2024-07-09 Enhancement:
- When "type" is "SYSTEM" then mapped "sub_type" to "security_result.detection_fields".
2024-06-15 Enhancement:
- When "target_port" is not empty, then mapped "target_port" to "target.port".
2024-01-25 Enhancement:
- Mapped "characterstic_of_app" to "security_result.summary".
- Mapped "pkts_received" to "network.received_packets".
- Mapped "pkts_sent" to "network.sent_bytes".
- Mapped "md5hash" to "principal.file.md5".
- Mapped "sha256hash" to "principal.file.sha256".
- Mapped "sha1hash" to "principal.file.sha1".
- Mapped "about_file_mime_type" to "principal.file.mime_type".
- Mapped "principal_ip" to "principal.asset.ip".
- Mapped "principal_ip1" to "principal.asset.ip".
- Mapped "principal_ip2" to "principal.asset.ip".
- Mapped "principal_ip3" to "principal.asset.ip".
- Mapped "principal_hostname" to "principal.asset.hostname".
- Mapped "target_ip" to "target.asset.ip".
- Mapped "target_ip1" to "target.asset.ip".
- Mapped "target_hostname" to "target.asset.hostname".
- Mapped "intermediary_hostname" to ""intermediary.asset.hostname".
- Mapped "category_of_app" to "security_result.category_details".
- Mapped "subcategory_of_app1" to "security_result.category_details".
- Mapped "subcategory_of_app" to "security_result.category_details".
2023-08-07 - Newly created parser.