v0.13.6: Bump github.com/spf13/cobra from 1.8.0 to 1.8.1 (#290)

Bumps [github.com/spf13/cobra](https://github.com/spf13/cobra) from 1.8.0 to 1.8.1.
- [Release notes](https://github.com/spf13/cobra/releases)
- [Commits](https://github.com/spf13/cobra/compare/v1.8.0...v1.8.1)

---
updated-dependencies:
- dependency-name: github.com/spf13/cobra
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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