build(deps): bump @hapi/hoek from 8.5.0 to 8.5.1 in /example

Bumps [@hapi/hoek](https://github.com/hapijs/hoek) from 8.5.0 to 8.5.1.
- [Release notes](https://github.com/hapijs/hoek/releases)
- [Commits](hapijs/hoek@v8.5.0...v8.5.1)

Signed-off-by: dependabot[bot] <support@github.com>