Create variant

curl --location --request POST '/products//variants' \
--header 'X-Identifier: {{x_identifier}}' \
--header 'Authorization: Bearer {{token}}' \
--header 'Accept: application/json' \
--header 'Content-Type: application/json' \
--data-raw '{
    "variants": [
        {
            "sku": "Testi123ngxx1",
            "stock": "291",
            "weight": "12",
            "stock_price": 100.25,
            "supplier_sku": "Lev-art-100",
            "prices": [
                {
                    "price": 125.77,
                    "compare_price": 133.33,
                    "currency_id": 1,
                    "tier": 1
                }
            ],
            "gtin": "Gtion-valle",
            "options": [
                {
                    "type": "Färg",
                    "value": "Blå"
                },
                {
                    "type": "Storlek",
                    "value": "S"
                }
            ]
        },
        {
            "sku": "Testingdfj2",
            "stock": "291",
            "weight": "12",
            "stock_price": 10000,
            "supplier_sku": "Lev-art-100",
            "prices": [
                {
                    "price": 30000,
                    "compare_price": 42000,
                    "currency_id": 1,
                    "tier": 1
                }
            ],
            "compare_price": 35000,
            "gtin": "Gtion-valle",
            "options": [
                {
                    "type": "Färg",
                    "value": "Blå"
                },
                {
                    "type": "Storlek",
                    "value": "M"
                }
            ]
        },
        {
            "sku": "Testinx3123xg3",
            "stock": "291",
            "weight": "12",
            "stock_price": 10000,
            "supplier_sku": "Lev-art-100",
            "prices": [
                {
                    "price": 32000,
                    "compare_price": 42000,
                    "currency_id": 1,
                    "tier": 1
                }
            ],
            "compare_price": 35000,
            "gtin": "Gtion-valle",
            "options": [
                {
                    "type": "Färg",
                    "value": "Blå"
                },
                {
                    "type": "Storlek",
                    "value": "XL"
                }
            ]
        }
    ]
}'