Change log for WORKDAY_AUDIT

Date Changes
2024-11-06 Enhancement:
- Mapped "ClassOfInstance" to "metadata.description".
- Mapped "ChangedRelationship" to "target.user.attribute.roles.name".
- Mapped "InstancesRemoved" to "target.resource.attribute.labels".
2024-10-04 Enhancement:
- Modified the Grok patterns to parse the fields correctly.
2023-12-08 Newly created parser.
2023-12-08 Newly created parser.