build(deps-dev): bump standard-version from 5.0.2 to 6.0.1

Bumps [standard-version](https://github.com/conventional-changelog/standard-version) from 5.0.2 to 6.0.1.
- [Release notes](https://github.com/conventional-changelog/standard-version/releases)
- [Changelog](https://github.com/conventional-changelog/standard-version/blob/master/CHANGELOG.md)
- [Commits](conventional-changelog/standard-version@v5.0.2...v6.0.1)

Signed-off-by: dependabot[bot] <[email protected]>