Link an Imprint customer and partner customer accounts

curl --request POST \
  --url https://dev.sbx.imprint.co/v2/customers/{customer_id}/link \
  --header 'Content-Type: application/json' \
  --data '{
  "partner_customer_id": "PARTNER_USER_456",
  "metadata": {
    "store_id": "store_789",
    "platform_version": "2.1.0"
  }
}'

{
  "customer_id": "9B5E1EE0-2E1C-46E7-81B9-3C3917204BE4",
  "partner_customer_id": "PARTNER_USER_456",
  "partner_identifier": "MCD",
  "status": "ACTIVE",
  "created_at": "2025-02-13T19:08:07.000Z",
  "updated_at": "2025-02-13T19:08:07.000Z",
  "metadata": {
    "store_id": "store_789",
    "platform_version": "2.1.0"
  }
}