Change log for VELO_FIREWALL

Date Changes
2026-02-12 Enhancement:
- Added new Grok pattern to parse the sdwan type logs.
- event.idm.read_only_udm.metadata.description: Newly mapped description raw log field with event.idm.read_only_udm.metadata.description UDM field.
- event.idm.read_only_udm.metadata.product_event_type: Newly mapped product_event_type raw log field with event.idm.read_only_udm.metadata.product_event_type UDM field.
- event.idm.read_only_udm.additional.fields: Newly mapped cloud_software raw log field with event.idm.read_only_udm.additional.fields UDM field, using the key CLOUD_SOFTWARE.
2024-10-10 Enhancement:
- Mapped action field from log to security_result.action_details.
- If action is Allow, then set security_result.action as ALLOW".
2024-09-12 Enhancement:
- Modified the Grok pattern to parse unparsed logs.
2024-06-30 - Newly created parser.