chore(deps-dev): bump lerna from 6.0.1 to 6.0.3 (#3486)

Bumps [lerna](https://github.com/lerna/lerna/tree/HEAD/core/lerna) from 6.0.1 to 6.0.3.
- [Release notes](https://github.com/lerna/lerna/releases)
- [Changelog](https://github.com/lerna/lerna/blob/main/core/lerna/CHANGELOG.md)
- [Commits](https://github.com/lerna/lerna/commits/v6.0.3/core/lerna)

---
updated-dependencies:
- dependency-name: lerna
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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