Bump @oclif/plugin-help from 6.2.16 to 6.2.18

Bumps [@oclif/plugin-help](https://github.com/oclif/plugin-help) from 6.2.16 to 6.2.18.
- [Release notes](https://github.com/oclif/plugin-help/releases)
- [Changelog](https://github.com/oclif/plugin-help/blob/main/CHANGELOG.md)
- [Commits](oclif/plugin-help@6.2.16...6.2.18)

---
updated-dependencies:
- dependency-name: "@oclif/plugin-help"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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