Update project signet to v0.4.7

libgrabber updated project signet to v0.4.7.

@HubSpot

### Metadata information

```json
{
  "metadata": {
    "packageManager": "github",
    "name": "signet",
    "repo": "HubSpot/signet",
    "files": {
      "include": ["signet.js", "signet.min.js"],
      "exclude": []
    },
    "path": "/home/jsdelivr/files/signet",
    "localVersions": ["0.4.4"],
    "remoteVersions": ["v0.3.0", "v0.3.1", "v0.4.0", "v0.4.1", "v0.4.4", "v0.4.5", "v0.4.6", "v0.4.7"],
    "branchVersions": []
  },
  "version": "v0.4.7",
  "updated": true,
  "updatePath": "/home/jsdelivr/files/signet/0.4.7",
  "branch": "signet/v0.4.7"
}
```