Bump @babel/preset-typescript from 7.13.0 to 7.15.0 (#170)

Bumps [@babel/preset-typescript](https://github.com/babel/babel/tree/HEAD/packages/babel-preset-typescript) from 7.13.0 to 7.15.0.
- [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/v7.15.0/packages/babel-preset-typescript)

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

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