[Security] Bump bl from 2.2.0 to 2.2.1
[Security] Bump bl from 2.2.0 to 2.2.1

Bumps [bl](https://github.com/rvagg/bl) from 2.2.0 to 2.2.1. **This update includes a security fix.**
- [Release notes](https://github.com/rvagg/bl/releases)
- [Commits](https://github.com/rvagg/bl/compare/v2.2.0...v2.2.1)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
lentz/buddyduel,lentz/buddyduel,lentz/buddyduel