Update project cilantro to 2.3.1

libgrabber updated project cilantro to 2.3.1.

@cbmi

### Metadata information

```json
{
  "metadata": {
    "packageManager": "github",
    "name": "cilantro",
    "repo": "cbmi/cilantro",
    "files": {
      "basePath": "cdn/",
      "include": ["**/*"],
      "exclude": []
    },
    "path": "/home/jsdelivr/files/cilantro",
    "localVersions": ["2.2.22", "2.2.23", "2.2.24", "2.2.25", "2.2.26", "2.2.27", "2.2.28", "2.2.29", "2.2.30", "2.2.31", "2.2.32", "2.2.35", "2.2.36", "2.3.0"],
    "remoteVersions": ["2.2.9", "2.2.10", "2.2.11", "2.2.12", "2.2.13", "2.2.14", "2.2.15", "2.2.16", "2.2.17", "2.2.18", "2.2.19", "2.2.20", "2.2.21", "2.2.22", "2.2.23", "2.2.24", "2.2.25", "2.2.26", "2.2.27", "2.2.28", "2.2.29", "2.2.30", "2.2.31", "2.2.32", "2.2.33", "2.2.34", "2.2.35", "2.2.36", "2.3.0", "2.3.1"],
    "branchVersions": []
  },
  "version": "2.3.1",
  "updated": true,
  "updatePath": "/home/jsdelivr/files/cilantro/2.3.1",
  "branch": "cilantro/2.3.1"
}
```