Update a variant

curl --request PUT \
  --url https://services.commercengine.dev/api/v1/x2yh61zw4k/admin/catalog/products/{id}/variants/{variant-id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "name": "<string>",
  "active": true,
  "stock_available": true,
  "short_description": "<string>",
  "description": "<string>",
  "metadata": [
    {
      "key": "<string>",
      "value": "<string>"
    }
  ],
  "associated_options": {},
  "sku": "<string>",
  "pricing": [
    {
      "customer_group_id": "<string>",
      "cost_price": 123,
      "listing_price": 123,
      "selling_price": 123,
      "min_order_quantity": 123,
      "max_order_quantity": 123,
      "incremental_quantity": 123,
      "tax_type": "<string>",
      "tax_rate": 123
    }
  ],
  "images": [
    {
      "title": "<string>",
      "alternate_text": "<string>",
      "sort_order": 123,
      "url_tiny": "<string>",
      "url_thumbnail": "<string>",
      "url_standard": "<string>",
      "url_zoom": "<string>",
      "other_details": {}
    }
  ],
  "shipping": {
    "is_free_shipping": false,
    "is_fixed_cost_shipping": false,
    "fixed_cost_shipping_price": 123,
    "is_shipping_price_include_tax": true,
    "availability_description": "<string>",
    "ships_internationally": true,
    "mid_code": "<string>",
    "country_of_origin": "<string>"
  },
  "packaging": {
    "pack_width": 123,
    "pack_height": 123,
    "pack_length": 123,
    "pack_dry_weight": 123,
    "units_per_pack": 123,
    "vertical_rotation": true,
    "shipper_width": 123,
    "shipper_height": 123,
    "shipper_length": 123,
    "shipper_dry_weight": 123,
    "units_per_shipper": 123
  },
  "promotions": [
    {
      "promotion_type": "<string>",
      "starts_at": "<string>",
      "expires_at": "<string>",
      "details": [
        {
          "discount_type": "percentage",
          "discount_percent": 123,
          "discount_fixed_amount": 123,
          "customer_group_id": "<string>"
        }
      ]
    }
  ],
  "subscriptions": [
    {
      "subscription_plan": "<string>",
      "billing_interval": 123,
      "billing_frequency": "<string>",
      "billing_limit": 123,
      "billing_trial_days": 123,
      "order_interval": 123,
      "order_frequency": "<string>",
      "order_limit": 123,
      "fulfill_separately": true,
      "subscription_price": [
        {
          "customer_group_id": "<string>",
          "min_quantity": 123,
          "suscription_price": 123
        }
      ],
      "quantity": 123
    }
  ],
  "sales_channels": [
    {
      "id": "<string>",
      "sales_channel_sku": "<string>"
    }
  ],
  "seo": {
    "meta_title": "<string>",
    "meta_description": "<string>",
    "meta_keywords": [
      "<string>"
    ],
    "slug": "<string>"
  }
}'

{
  "message": "<string>",
  "success": true,
  "content": {
    "variant": {
      "id": "<string>",
      "name": "<string>",
      "active": true,
      "short_description": "<string>",
      "description": "<string>",
      "metadata": [
        {
          "key": "<string>",
          "value": "<string>"
        }
      ],
      "associated_options": {},
      "sku": "<string>",
      "pricing": [
        {
          "id": 123,
          "customer_group_id": "<string>",
          "cost_price": 123,
          "listing_price": 123,
          "selling_price": 123,
          "min_order_quantity": 123,
          "max_order_quantity": 123,
          "incremental_quantity": 123,
          "tax_type": "<string>",
          "tax_rate": 123
        }
      ],
      "images": [
        {
          "id": 123,
          "title": "<string>",
          "alternate_text": "<string>",
          "sort_order": 123,
          "url_tiny": "<string>",
          "url_thumbnail": "<string>",
          "url_standard": "<string>",
          "url_zoom": "<string>",
          "other_details": {}
        }
      ],
      "shipping": {
        "is_free_shipping": false,
        "is_fixed_cost_shipping": false,
        "fixed_cost_shipping_price": 123,
        "is_shipping_price_include_tax": true,
        "availability_description": "<string>",
        "ships_internationally": true,
        "mid_code": "<string>",
        "country_of_origin": "<string>"
      },
      "packaging": {
        "pack_width": 123,
        "pack_height": 123,
        "pack_length": 123,
        "pack_dry_weight": 123,
        "units_per_pack": 123,
        "vertical_rotation": true,
        "shipper_width": 123,
        "shipper_height": 123,
        "shipper_length": 123,
        "shipper_dry_weight": 123,
        "units_per_shipper": 123
      },
      "promotions": [
        {
          "promotion_type": "<string>",
          "starts_at": "<string>",
          "expires_at": "<string>",
          "details": [
            {
              "discount_type": "percentage",
              "discount_percent": 123,
              "discount_fixed_amount": 123,
              "customer_group_id": "<string>"
            }
          ]
        }
      ],
      "subscriptions": [
        {
          "subscription_plan": "<string>",
          "billing_interval": 123,
          "billing_frequency": "<string>",
          "billing_limit": 123,
          "billing_trial_days": 123,
          "order_interval": 123,
          "order_frequency": "<string>",
          "order_limit": 123,
          "fulfill_separately": true,
          "subscription_price": [
            {
              "customer_group_id": "<string>",
              "min_quantity": 123,
              "suscription_price": 123
            }
          ],
          "quantity": 123
        }
      ],
      "sales_channels": [
        {
          "id": "<string>",
          "channel_name": "<string>",
          "sales_channel_sku": "<string>"
        }
      ],
      "seo": {
        "meta_title": "<string>",
        "meta_description": "<string>",
        "meta_keywords": [
          "<string>"
        ],
        "slug": "<string>"
      }
    }
  }
}