Metadata correction for 2025.emnlp-demos.24

### JSON data block

```json
{
"anthology_id": "2025.emnlp-demos.24",
"authors": [
{
"first": "Dongsuk",
"last": "Jang",
"id": "dongsuk-jang/unverified"
},
{
"first": "Ziyao",
"last": "Shangguan",
"id": "ziyao-shangguan/unverified"
},
{
"first": "Kyle",
"last": "Tegtmeyer",
"id": "kyle-tegtmeyer/unverified"
},
{
"first": "Anurag",
"last": "Gupta",
"id": "anurag-gupta/unverified"
},
{
"first": "Jan",
"last": "Czerminski",
"id": "jan-t-czerminski/unverified"
},
{
"first": "Sophie",
"last": "Chheang",
"id": "sophie-chheang/unverified"
},
{
"first": "Arman",
"last": "Cohan",
"id": "arman-cohan"
}
],
"authors_old": "Dongsuk Jang | Ziyao Shangguan | Kyle Tegtmeyer | Anurag Gupta | Jan T Czerminski | Sophie Chheang | Arman Cohan",
"authors_new": "Dongsuk Jang | Ziyao Shangguan | Kyle Tegtmeyer | Anurag Gupta | Jan Czerminski | Sophie Chheang | Arman Cohan"
}
```