Bump np from 5.2.1 to 6.4.0

Bumps [np](https://github.com/sindresorhus/np) from 5.2.1 to 6.4.0.
- [Release notes](https://github.com/sindresorhus/np/releases)
- [Commits](sindresorhus/np@v5.2.1...v6.4.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]