Update subscription bundling configuration

curl --request PUT \
  --url https://subscription-admin.appstle.com/api/external/v2/subscription-bundling/update \
  --header 'Content-Type: application/json' \
  --data '
[
  {
    "babHandle": "<string>",
    "sourceProducts": [
      {
        "sourceProductId": 123,
        "addSubProductIds": [
          123
        ],
        "addSubVariantIds": [
          123
        ],
        "deleteSubProductIds": [
          123
        ],
        "deleteSubVariantIds": [
          123
        ]
      }
    ]
  }
]
'

{
  "id": 12345,
  "shop": "example-shop.myshopify.com",
  "token": "abc123xyz",
  "bundleName": "My Custom Coffee Bundle",
  "bundleHandle": "custom-coffee-bundle-123",
  "products": [
    {
      "variantId": 11111,
      "productTitle": "Medium Roast Coffee",
      "quantity": 2
    },
    {
      "variantId": 22222,
      "productTitle": "Dark Roast Coffee",
      "quantity": 1
    }
  ],
  "frequency": "MONTH",
  "frequencyCount": 1,
  "active": true
}