chore(dev-deps): bump oclif from 4.15.2 to 4.15.6

Bumps [oclif](https://github.com/oclif/oclif) from 4.15.2 to 4.15.6.
- [Release notes](https://github.com/oclif/oclif/releases)
- [Changelog](https://github.com/oclif/oclif/blob/main/CHANGELOG.md)
- [Commits](oclif/oclif@4.15.2...4.15.6)

---
updated-dependencies:
- dependency-name: oclif
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>