Update project dustjs to v2.5.1

libgrabber updated project dustjs to v2.5.1.

@linkedin

### Metadata information

```json
{
  "metadata": {
    "packageManager": "github",
    "name": "dustjs",
    "repo": "linkedin/dustjs",
    "files": {
      "basePath": "dist/",
      "exclude": ["LICENSE"],
      "include": ["**/*"]
    },
    "path": "/home/jsdelivr/files/dustjs",
    "localVersions": ["1.2.2", "1.2.3", "1.2.5", "2.0.0", "2.0.1", "2.0.2", "2.0.3", "2.3.4", "2.4.0"],
    "remoteVersions": ["v1.0.0", "v1.1.0", "v1.1.1", "v1.2.0", "v1.2.1", "v1.2.2", "v1.2.3", "v1.2.4", "v1.2.5", "v1.2.6", "v2.0.0", "v2.0.1", "v2.0.2", "v2.0.3", "v2.1.0", "v2.1.1", "v2.1.2", "v2.1.3", "v2.1.4", "v2.1.5", "v2.2.0", "v2.2.2", "v2.2.3", "v2.2.4", "v2.2.5", "v2.2.6", "v2.2.7", "v2.2.8", "v2.2.9", "v2.2.10", "v2.3.0", "v2.3.1", "v2.3.2", "v2.3.3", "v2.3.4", "v2.3.5", "v2.3.6", "v2.4.0", "v2.4.1", "v2.4.2", "v2.5.0", "v2.5.1"],
    "branchVersions": []
  },
  "version": "v2.5.1",
  "updated": true,
  "updatePath": "/home/jsdelivr/files/dustjs/2.5.1",
  "branch": "dustjs/v2.5.1"
}
```