Bump bl and gh-release

Bumps [bl](https://github.com/rvagg/bl) and [gh-release](https://github.com/ungoldman/gh-release). These dependencies needed to be updated together.

Updates `bl` from 1.1.2 to 4.1.0
- [Release notes](https://github.com/rvagg/bl/releases)
- [Commits](rvagg/bl@v1.1.2...v4.1.0)

Updates `gh-release` from 3.5.0 to 6.0.4
- [Release notes](https://github.com/ungoldman/gh-release/releases)
- [Changelog](https://github.com/ungoldman/gh-release/blob/main/CHANGELOG.md)
- [Commits](ungoldman/gh-release@v3.5.0...v6.0.4)

---
updated-dependencies:
- dependency-name: bl
  dependency-type: indirect
- dependency-name: gh-release
  dependency-type: direct:development
...

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

Author: dependabot[bot]