chore(deps): bump urijs in /examples/basic-starter-koa (#378)

Bumps [urijs](https://github.com/medialize/URI.js) from 1.19.5 to 1.19.6.
- [Release notes](https://github.com/medialize/URI.js/releases)
- [Changelog](https://github.com/medialize/URI.js/blob/gh-pages/CHANGELOG.md)
- [Commits](medialize/URI.js@v1.19.5...v1.19.6)

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