Update project pickadate.js to 3.5.3

libgrabber updated project pickadate.js to 3.5.3.

@amsul

### Metadata information

```json
{
  "metadata": {
    "packageManager": "github",
    "name": "pickadate.js",
    "repo": "amsul/pickadate.js",
    "files": {
      "basePath": "lib/compressed",
      "include": ["*.js", "themes/*.css"],
      "exclude": []
    },
    "path": "/home/jsdelivr/files/jquery.pickadate.js",
    "localVersions": ["2.1.4", "3.1.1", "3.1.3", "3.1.4", "3.4.0", "3.5.0"],
    "remoteVersions": ["2.1.0", "2.1.1", "2.1.2", "2.1.3", "2.1.4", "2.1.5", "2.1.6", "2.1.7", "2.1.8", "3.0.0", "3.0.1", "3.0.2", "3.0.3", "3.0.4", "3.0.5", "3.1.0", "3.1.1", "3.1.2", "3.1.3", "3.1.4", "3.2.0", "3.2.1", "3.2.2", "3.3.0", "3.3.1", "3.3.2", "3.4.0", "3.5.0", "3.5.2", "3.5.3"],
    "branchVersions": []
  },
  "version": "3.5.3",
  "updated": true,
  "updatePath": "/home/jsdelivr/files/jquery.pickadate.js/3.5.3",
  "branch": "pickadate.js/3.5.3"
}
```