Bumps [github.com/hashicorp/packer-plugin-sdk](https://github.com/hashicorp/packer-plugin-sdk) from 0.2.7 to 0.2.8.
- [Release notes](https://github.com/hashicorp/packer-plugin-sdk/releases)
- [Changelog](https://github.com/hashicorp/packer-plugin-sdk/blob/main/CHANGELOG.md)
- [Commits](https://github.com/hashicorp/packer-plugin-sdk/compare/v0.2.7...v0.2.8

)

---
updated-dependencies:
- dependency-name: github.com/hashicorp/packer-plugin-sdk
  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>