chore(deps): Bump github.com/vmware-tanzu/carvel-ytt in /hack

Bumps [github.com/vmware-tanzu/carvel-ytt](https://github.com/vmware-tanzu/carvel-ytt) from 0.46.0 to 0.46.2.
- [Release notes](https://github.com/vmware-tanzu/carvel-ytt/releases)
- [Changelog](https://github.com/carvel-dev/ytt/blob/develop/.goreleaser.yml)
- [Commits](carvel-dev/ytt@v0.46.0...v0.46.2)

---
updated-dependencies:
- dependency-name: github.com/vmware-tanzu/carvel-ytt
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>