Update Nokogiri and deps due to security vuln
Update Nokogiri and deps due to security vuln

```
DocumentFragment#path now does proper error-checking to handle
behavior introduced in libxml > 2.9.10. In v1.11.4 and v1.11.5,
calling DocumentFragment#path could result in a segfault.
```

ausaccessfed/validator-service,ausaccessfed/validator-service,ausaccessfed/validator-service