Bump @oclif/plugin-help in the prod-deps group across 1 directory (#791)

Bumps the prod-deps group with 1 update in the / directory: [@oclif/plugin-help](https://github.com/oclif/plugin-help).


Updates `@oclif/plugin-help` from 6.2.14 to 6.2.15
- [Release notes](https://github.com/oclif/plugin-help/releases)
- [Changelog](https://github.com/oclif/plugin-help/blob/main/CHANGELOG.md)
- [Commits](oclif/plugin-help@6.2.14...6.2.15)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]