Update project script.js to v2.5.6

libgrabber updated project script.js to v2.5.6.

@ded

### Metadata information

```json
{
  "metadata": {
    "packageManager": "github",
    "name": "script.js",
    "repo": "ded/script.js",
    "files": {
      "basePath": "dist/",
      "include": ["script.js", "script.min.js"],
      "exclude": []
    },
    "path": "/home/jsdelivr/files/script.js",
    "localVersions": [],
    "remoteVersions": ["v2.4.1", "v2.5.0", "v2.5.1", "v2.5.2", "v2.5.3", "v2.5.5", "v2.5.6"],
    "branchVersions": []
  },
  "version": "v2.5.6",
  "updated": true,
  "updatePath": "/home/jsdelivr/files/script.js/2.5.6",
  "branch": "script.js/v2.5.6"
}
```