Update project sparkjs to v0.2.1

libgrabber updated project sparkjs to v0.2.1.

@spark

### Metadata information

```json
{
  "metadata": {
    "packageManager": "github",
    "name": "sparkjs",
    "repo": "spark/sparkjs",
    "files": {
      "basePath": "dist/",
      "include": ["spark.min.js"],
      "exclude": []
    },
    "path": "/home/jsdelivr/files/sparkjs",
    "localVersions": ["0.1.0", "0.2.0"],
    "remoteVersions": ["v0.1.0", "v0.1.1", "v0.2.0", "v0.2.1"],
    "branchVersions": []
  },
  "version": "v0.2.1",
  "updated": true,
  "updatePath": "/home/jsdelivr/files/sparkjs/0.2.1",
  "branch": "sparkjs/v0.2.1"
}
```