REST API to update approver(task assignee) in BPM worklist

Organization Name (Required - If you are an Oracle Partner, please provide the organization you are logging the idea on behalf of):

Public Sector

Description (Required):

We need to update task assignee using BPM Rest API but we couldn't find a REST API endpoint available for this.

Use Case and Business Need (Required):

Customer with large PeopleSoft implementation looking into transition to HCM Cloud.

This is blocking issue (with no workaround nor solution) for the customer to decide transition to Fusion HCM Cloud

Enhancement Request / Service Request: