Bump merge2 from 1.3.0 to 1.4.1 (#14052)

Bumps [merge2](https://github.com/teambition/merge2) from 1.3.0 to 1.4.1.
- [Release notes](https://github.com/teambition/merge2/releases)
- [Commits](https://github.com/teambition/merge2/compare/v1.3.0...v1.4.1

)

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