Update lodash.unset to to avoid npm audit complaints

```
lodash.unset  *
Severity: moderate
Lodash has Prototype Pollution Vulnerability in `_.unset` and `_.omit` functions - https://github.com/advisories/GHSA-xxjr-mmjv-4gpg
fix available via `npm audit fix`
node_modules/lodash.unset
  bodybuilder  >=2.5.0
  Depends on vulnerable versions of lodash.unset
  node_modules/bodybuilder
```
