Change log for AZURE_KEYVAULT_AUDIT

Date Changes
2025-07-08 Enhancement:
- event.idm.read_only_udm.additional.fields: Newly mapped `loggingSourceName` raw log field with `event.idm.read_only_udm.additional.fields` UDM field.
- Added support to `has_principal` which is causing the issue to parser error.
2025-01-30 Enhancement:
- Added support for the new pattern of JSON logs.
2024-11-18 Enhancement:
- Added support for new pattern of JSON logs.
2024-10-29 Enhancement:
- Mapped "properties.isAddressAuthorized", "properties.isAccessPolicyMatch", and "properties.isRbacAuthorized" to "target.resource.attribute.labels".
- Mapped "properties.subnetId", and "properties.privateEndpointId" to "additional.fields".
2024-09-25 - Modified condition for "USER_UNCATEGORIZED" event_type.
2024-02-27 - Newly created parser.