Bump github.com/Songmu/prompter from 0.5.0 to 0.5.1 (#129)

Bumps [github.com/Songmu/prompter](https://github.com/Songmu/prompter) from 0.5.0 to 0.5.1.
- [Release notes](https://github.com/Songmu/prompter/releases)
- [Changelog](https://github.com/Songmu/prompter/blob/main/CHANGELOG.md)
- [Commits](https://github.com/Songmu/prompter/compare/v0.5.0...v0.5.1

)

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

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