Bump @hapi/hapi from 18.4.0 to 18.4.1

Bumps [@hapi/hapi](https://github.com/hapijs/hapi) from 18.4.0 to 18.4.1.
- [Release notes](https://github.com/hapijs/hapi/releases)
- [Commits](hapijs/hapi@v18.4.0...v18.4.1)

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Author: dependabot[bot]