Change log for WORKDAY_USER_ACTIVITY

Date	Changes
2025-10-03	Enhancement: - event.idm.read_only_udm.metadata.event_timestamp: Newly mapped `Sign-on_Time` raw log field with `event.idm.read_only_udm.metadata.event_timestamp` UDM field. - event.idm.read_only_udm.metadata.collected_timestamp: Newly mapped `Sign-on_Time` raw log with `event.idm.read_only_udm.metadata.collected_timestamp` UDM field. - event.idm.read_only_udm.principal.user.user_display_name: Newly mapped `Role` raw log field with `event.idm.read_only_udm.principal.user.user_display_name` UDM field. - event.idm.read_only_udm.principal.user.email_addresses: Newly mapped `User_Name` raw log field with `event.idm.read_only_udm.principal.user.email_addresses` UDM field. - event.idm.read_only_udm.additional.fields: Newly mapped `awaiting_details` raw log field with `event.idm.read_only_udm.additional.fields` UDM field only when it contains `Approval` or `activities`.
2025-02-20	Enhancement: - Added support to parse the unparsed logs.
2024-09-05	Enhancement: - Newly created parser.