build(deps): bump github.com/yannh/kubeconform in /scripts (#2471)

Bumps [github.com/yannh/kubeconform](https://github.com/yannh/kubeconform) from 0.6.4 to 0.6.7.
- [Release notes](https://github.com/yannh/kubeconform/releases)
- [Changelog](https://github.com/yannh/kubeconform/blob/master/.goreleaser.yml)
- [Commits](https://github.com/yannh/kubeconform/compare/v0.6.4...v0.6.7

)

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

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