Update project superfish to 1.7.5

libgrabber updated project superfish to 1.7.5.

@joeldbirch

### Metadata information

```json
{
  "metadata": {
    "packageManager": "github",
    "name": "superfish",
    "repo": "joeldbirch/superfish",
    "files": {
      "basePath": "dist/",
      "include": ["./js/*.js", "./css/*.css"],
      "exclude": ["./js/jquery.js"]
    },
    "path": "/home/jsdelivr/files/superfish",
    "localVersions": ["1.4.8", "1.5.0", "1.5.1", "1.5.4", "1.7.2", "1.7.3", "1.7.4"],
    "remoteVersions": ["1.5.2", "1.5.3", "1.5.4", "1.5.5", "1.5.6", "1.5.7", "1.5.8", "1.5.9", "1.5.10", "1.5.11", "1.5.12", "1.5.13", "1.6.0", "1.6.1", "1.6.2", "1.6.3", "1.6.4", "1.6.5", "1.6.6", "1.6.7", "1.6.8", "1.6.9", "1.7.0", "1.7.1", "1.7.2", "1.7.3", "1.7.4", "1.7.5"],
    "branchVersions": []
  },
  "version": "1.7.5",
  "updated": true,
  "updatePath": "/home/jsdelivr/files/superfish/1.7.5",
  "branch": "superfish/1.7.5"
}
```