Build(deps-dev): Bump execa from 4.0.2 to 4.0.3 (#8719)
Bumps [execa](https://github.com/sindresorhus/execa) from 4.0.2 to 4.0.3.
- [Release notes](https://github.com/sindresorhus/execa/releases)
- [Commits](https://github.com/sindresorhus/execa/compare/v4.0.2...v4.0.3)
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