Bump dependency versions

Bump the dependency versions.

This will also fix some deprecation warnings seen during `npm install`

```
npm WARN deprecated tap-assert@0.0.10: this is merged into the 'tap' module now
npm WARN deprecated tap-producer@0.0.1: this is merged into the 'tap' module now
npm WARN deprecated tap-results@0.0.2: this is merged into the 'tap' module now
```