Change log for ARUBA_SWITCH

Date Changes
2025-08-21 Enhancement:
- Added a Grok pattern to parse new pattern of logs.
- event.idm.read_only_udm.principal.ip and event.idm.read_only_udm.principal.asset.ip: Newly mapped `hostname` raw log field with `event.idm.read_only_udm.principal.ip` and `event.idm.read_only_udm.principal.asset.ip` UDM fields.
- event.idm.read_only_udm.additional.fields: Newly mapped `log_id`, `priority` and `facility` raw log fields with `event.idm.read_only_udm.additional.fields` UDM field.
- Modified `sys_time` date pattern to support new pattern of timestamp.
2025-05-26 Enhancement:
- Added grok patterns to support new pattern of SYSLOG logs.
- event.idm.read_only_udm.security_result.action_details: Newly mapped `status` raw log field with `event.idm.read_only_udm.security_result.action_details` UDM field.
- Changed `event_type` from `NETWORK_CONNECTION` to `STATUS_UPDATE` when target machine data is not available.
- Added support for new pattern of timestamp.
- Added a grok pattern to parse new pattern of description field.
- Modified the `if` condition for `user_id` raw_field.
- Removed the setting of `has_target` as `true`, if there is no target machine data.
2024-11-14 Enhancement:
- Mapped "severity" to "security_result.severity".
2024-10-29 Enhancement:
- Modified grok pattern to parse "severity" and "amm" fields.
2024-10-16 Enhancement:
- Added support for new format of SYSLOG logs.
- Changed mapping of "userid" from "principal.user.userid" to "target.user.userid".
- Based on the log description, set "metadata.event_type" as "USER_LOGIN" or "USER_LOGOUT" or "NETWORK_CONNECTION".
- Based on the log description, set "security_result.action" as "ALLOW" or "BLOCK".
2024-09-17 Enhancement:
- Added support for a new pattern of SYSLOG logs.
2024-04-18 - Newly created parser.