Update project fast-json-patch to 0.3.9

libgrabber updated project fast-json-patch to 0.3.9.

@Starcounter-Jack

### Metadata information

```json
{
  "metadata": {
    "packageManager": "github",
    "name": "fast-json-patch",
    "repo": "Starcounter-Jack/JSON-Patch",
    "files": {
      "basePath": "dist/",
      "include": ["json-patch.min.js", "json-patch.min.js.map", "json-patch-duplex.min.js", "json-patch-duplex.min.js.map"],
      "exclude": []
    },
    "path": "/home/jsdelivr/files/fast-json-patch",
    "localVersions": ["0.3.8"],
    "remoteVersions": ["v0.3.3", "v0.3.4", "v0.3.5", "v0.3.6", "v0.3.7", "0.3.8", "0.3.9"],
    "branchVersions": []
  },
  "version": "0.3.9",
  "updated": true,
  "updatePath": "/home/jsdelivr/files/fast-json-patch/0.3.9",
  "branch": "fast-json-patch/0.3.9"
}
```