Set variant weights (A/B traffic split)

curl --request POST \
  --url https://api.landerlab.dev/api/v2/workspaces/{workspaceId}/landers/{landerId}/variants/setWeights \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "weights": [
    {
      "id": 123,
      "weight": 1
    }
  ]
}
'

{
  "message": "<string>"
}