Bumps [unicode-segmentation](https://github.com/unicode-rs/unicode-segmentation) from 1.2.0 to 1.6.0. - [Release notes](https://github.com/unicode-rs/unicode-segmentation/releases) - [Commits](https://github.com/unicode-rs/unicode-segmentation/commits/v1.6.0) Signed-off-by: dependabot-preview[bot] <support@dependabot.com>