Approve a MERGE review request and execute the merge

curl --request POST \
  --url https://api-sandbox.featherhq.com/v1/identity/review-requests/{request_id}/approve-merge \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "survivor_end_user_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "resolution_note": "<string>"
}
'

{
  "id": "<string>",
  "org_id": "<string>",
  "status": "<string>",
  "reason": "<string>",
  "created_at": "<string>",
  "updated_at": "<string>",
  "left_end_user_id": "<string>",
  "right_end_user_id": "<string>",
  "suggested_survivor_end_user_id": "<string>",
  "target_end_user_id": "<string>",
  "proposed_identifier_type": "<string>",
  "proposed_masked_value": "<string>",
  "trigger_identifier_type": "<string>",
  "trigger_masked_value": "<string>",
  "evidence": {},
  "resolved_at": "<string>",
  "resolution_note": "<string>"
}