Change log for CENTRIFY_SSO

Date Changes
2022-08-10 Bug-fix - Modified mapping for the field ComputerName from principal.asset.hostname to event.idm.read_only_udm.about.hostname for logs with JSON format.
2022-07-13 Enhancement:
- Mapped msg to metadata.description.
- Mapped EventType to metadata.product_event_type.
- Mapped pid to principal.process.pid.
- Mapped host to principal.hostname.
- Mapped SessionGuid to network.session_id.
- Mapped UserType to principal.user.attribute.roles.
- Mapped AzRoleName to target.user.attribute.roles.
- Mapped UserGuid to principal.user.userid.
- Mapped ComputerID to principal.asset.asset_id.
- Mapped ComputerName to principal.asset.hostname.
- Mapped ComputerFQDN to principal.asset.network_domain.
- Mapped AuthorityID to target.asset.asset_id.
- Mapped AuthorityFQDN to target.asset.network_domain.
- Mapped InternalTrackingID to metadata.product_log_id.
- Mapped EventMessage to security_result.summary.
- Mapped CredentialId to security_result.detection_fields.
- Mapped ProxyId to security_result.detection_fields.
- Mapped DirectoryServiceUuid to security_result.detection_fields.
- Mapped AzDeploymentId to security_result.detection_fields.
- Mapped ID to security_result.detection_fields.
- Mapped AccountID to security_result.detection_fields.
- Mapped DirectoryServiceName to security_result.detection_fields.
- Mapped Tenant to additional.fields.
- Mapped JumpType to additional.fields.
- Mapped OperationMode to additional.fields.
- Mapped ThreadType to additional.fields.
- Mapped AzRoleId to additional.fields.
- Mapped TokenType to additional.fields.