Metadata correction for 2025.jeptalnrecital-4as.0

### JSON data block

```json
{
"anthology_id": "2025.jeptalnrecital-4as.0",
"authors": [
{
"first": "Maxime",
"last": "Amblard",
"id": "maxime-amblard"
},
{
"first": "Maria",
"last": "Boritchev",
"id": "maria-boritchev"
},
{
"first": "Bruno",
"last": "Guillaume",
"id": "bruno-guillaume"
},
{
"first": "Johannes",
"last": "Heinecke",
"id": "johannes-heinecke"
},
{
"first": "Frédéric",
"last": "Herledan",
"id": "frederic-herledan"
}
],
"authors_old": "Frédéric Bechet | Adrian-Gabriel Chifu | Karen Pinel-sauvagnat | Benoit Favre | Eliot Maes | Diana Nurbakova",
"authors_new": "Maxime Amblard | Maria Boritchev | Bruno Guillaume | Johannes Heinecke | Frédéric Herledan"
}
```