Update approvers for a member

This endpoint allows updating the approvers for a specific member based on the chosen approval process. Depending on the provided configuration:

• If Microsoft profile managers are used, department and custom approvers are ignored.
• If department settings are used, Microsoft profile managers and custom approvers are ignored.
• If custom approvers are provided, Microsoft profile managers and department settings are ignored. The ‘id’ and ‘approval_process’ fields are always required.