Update project ua-parser.js to 0.7.3

libgrabber updated project ua-parser.js to 0.7.3.

@faisalman

### Metadata information

```json
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    "packageManager": "github",
    "name": "ua-parser.js",
    "repo": "faisalman/ua-parser-js",
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      "exclude": []
    },
    "path": "/home/jsdelivr/files/ua-parser.js",
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  "version": "0.7.3",
  "updated": true,
  "updatePath": "/home/jsdelivr/files/ua-parser.js/0.7.3",
  "branch": "ua-parser.js/0.7.3"
}
```