Bump trim-newlines and lerna (#757)

Bumps [trim-newlines](https://github.com/sindresorhus/trim-newlines) to 3.0.1 and updates ancestor dependency [lerna](https://github.com/lerna/lerna/tree/HEAD/core/lerna). These dependencies need to be updated together.


Updates `trim-newlines` from 1.0.0 to 3.0.1
- [Release notes](https://github.com/sindresorhus/trim-newlines/releases)
- [Commits](https://github.com/sindresorhus/trim-newlines/commits)

Updates `lerna` from 3.22.1 to 6.4.1
- [Release notes](https://github.com/lerna/lerna/releases)
- [Changelog](https://github.com/lerna/lerna/blob/v6.4.1/core/lerna/CHANGELOG.md)
- [Commits](https://github.com/lerna/lerna/commits/v6.4.1/core/lerna)

---
updated-dependencies:
- dependency-name: trim-newlines
  dependency-type: indirect
- dependency-name: lerna
  dependency-type: direct:development
...

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