Change log for BEYONDTRUST_BEYONDINSIGHT

Date Changes
2025-05-13 Enhancement:
- Added support to handle the '#' character in the UDM Fields.
- Added support for the parsing the metadata.event_type.
- Added support required null checks while doing the mapping.
2025-04-21 Enhancement:
- Added a grok pattern to support new format of SYSLOG logs.
- Added gsub to fix the kv parsing issue.
2025-02-06 Enhancement:
- Added support to map the unparsed fields.
2024-11-22 - Newly created parser.