Metadata correction for 2024.wmt-1.18

[steinst]

JSON data block

{
  "anthology_id": "2024.wmt-1.18",
  "authors": [
    {
      "first": "Atli",
      "last": "Jasonarson",
      "id": "atli-jasonarson"
    },
    {
      "first": "Hinrik",
      "last": "Hafsteinsson",
      "id": "hinrik-hafsteinsson"
    },
    {
      "first": "Bjarki",
      "last": "Ármannsson",
      "id": "bjarki-armannsson"
    },
    {
      "first": "Steinþór",
      "last": "Steingrímsson",
      "id": "steinthor-steingrimsson"
    }
  ]
}

[github-actions]

Found ACL Anthology entry: https://aclanthology.org/2024.wmt-1.18

[nschneid]

last author spelling. Thanks