build(deps): bump unicode-normalization from 0.1.14 to 0.1.15
Bumps [unicode-normalization](https://github.com/unicode-rs/unicode-normalization) from 0.1.14 to 0.1.15.
- [Release notes](https://github.com/unicode-rs/unicode-normalization/releases)
- [Commits](https://github.com/unicode-rs/unicode-normalization/commits)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>