Change log for WALLIX_BASTION

Date Changes
2024-11-28 Enhancement:
- Added support to parse "metadata.event_timestamp" for all time zones.
2024-11-20 Enhancement:
- Added a Grok pattern to extract the date and to properly map its value to "metadata.event_timestamp".
2024-10-29 Enhancement:
- Added support for new log patterns.
2024-06-28 New:
- Newly created parser.