Bump bl from 2.2.0 to 2.2.1
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.
- [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[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
kudanov/squad-health-check,kudanov/squad-health-check