Update project devicons to 1.6.0

libgrabber updated project devicons to 1.6.0.

@vorillaz

### Metadata information

```json
{
  "metadata": {
    "packageManager": "github",
    "name": "devicons",
    "repo": "vorillaz/devicons",
    "files": {
      "include": ["./css/devicons.min.css", "./fonts/devicons.eot", "./fonts/devicons.svg", "./fonts/devicons.ttf", "./fonts/devicons.woff"],
      "exclude": []
    },
    "path": "/home/jsdelivr/files/devicons",
    "localVersions": ["1.3.1", "1.4.0", "1.5.0"],
    "remoteVersions": ["v1.1.0", "v1.2.0", "v1.3.0", "v1.3.1", "1.4.0", "1.5.0", "1.6.0"],
    "branchVersions": []
  },
  "version": "1.6.0",
  "updated": true,
  "updatePath": "/home/jsdelivr/files/devicons/1.6.0",
  "branch": "devicons/1.6.0"
}
```