Bump @babel/cli from 7.14.8 to 7.15.4 (#406)

Bumps [@babel/cli](https://github.com/babel/babel/tree/HEAD/packages/babel-cli) from 7.14.8 to 7.15.4.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.15.4/packages/babel-cli)

---
updated-dependencies:
- dependency-name: "@babel/cli"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>