Bump simple-keyboard from 3.8.30 to 3.8.70

Bumps [simple-keyboard](https://github.com/hodgef/simple-keyboard) from 3.8.30 to 3.8.70.
- [Release notes](https://github.com/hodgef/simple-keyboard/releases)
- [Commits](https://github.com/hodgef/simple-keyboard/commits)

---
updated-dependencies:
- dependency-name: simple-keyboard
  dependency-version: 3.8.70
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]