Change log for WORKDAY

Date Changes
2025-06-05 Enhancement:
- `event.idm.read_only_udm.metadata.event_timestamp`: Newly mapped `body.event.Actual_Completed_Date_and_Time` raw log field with `event.idm.read_only_udm.metadata.event_timestamp` UDM field. Implemented a grok filter to parse the date and time string, and a date filter to map it to the timestamp.
- `event.idm.read_only_udm.metadata.collected_timestamp`: Newly mapped `body.time` raw log field with `event.idm.read_only_udm.metadata.collected_timestamp` UDM field. Implemented a date filter to parse the epoch time.
- `event.idm.read_only_udm.principal.user.userid`: Newly mapped `body.event.Submitted_By` raw log field with `event.idm.read_only_udm.principal.user.userid` UDM field.
- `event.idm.read_only_udm.target.application`: Newly mapped `body.event.Integration_System` raw log field with `event.idm.read_only_udm.target.application` UDM field.
- `event.idm.read_only_udm.metadata.description`: Newly mapped `body.event.Integration_Event` raw log field with `event.idm.read_only_udm.metadata.description` UDM field.
- `event.idm.read_only_udm.metadata.product_event_type`: Newly mapped `body.event.Event_Type` raw log field with `event.idm.read_only_udm.metadata.product_event_type` UDM field.
- `event.idm.read_only_udm.security_result.summary`: Newly mapped `body.event.Integration_Event_Status` raw log field with `event.idm.read_only_udm.security_result.summary` UDM field.
- `event.idm.read_only_udm.security_result.description`: Newly mapped `body.event.Messages` raw log field with `event.idm.read_only_udm.security_result.description` UDM field.
- `event.idm.read_only_udm.security_result.action_details`: Newly mapped `body.event.Response_Message` raw log field with `event.idm.read_only_udm.security_result.action_details` UDM field.
- `event.idm.read_only_udm.security_result.detection_fields`: Newly mapped `body.event.Actual_Start_Date_and_Time`, `body.event.Scheduled_Start_Date_and_Time`, `body.event.By_Person`, `body.event.Sent_On`, `body.event.Items_Processed`, `body.event.Percent_Complete`, `body.event.Processing_Time`, `body.event.Total_Duration`, `body.event.Created_From_Trigger` and `body.event.Background_Process_Is_Running` raw log fields with `event.idm.read_only_udm.security_result.detection_fields` UDM field.
- `event.idm.read_only_udm.metadata.event_type`: Mapped `event.idm.read_only_udm.metadata.event_type` to `USER_UNCATEGORIZED` when `target.user.userid` or `principal.user.userid` is present.
2024-06-25 Enhancement:
- Added support for UDM event.
- Added a Grok pattern over "href" to extract the field "entity_host_name".
- Mapped "entity_host_name" to "entity.entity.asset.hostname".
- Mapped "href" to "entity.entity.url".
2024-06-24 Enhancement:
- Added support for the CSV logs.
2022-09-15 - Migrated to default parser.
2022-05-11 - Migrated to default parser.