v2.3.0: Bump bl from 4.0.2 to 4.0.3 in /tests_zemu (#5)
Bumps [bl](https://github.com/rvagg/bl) from 4.0.2 to 4.0.3. - [Release notes](https://github.com/rvagg/bl/releases) - [Commits](https://github.com/rvagg/bl/compare/v4.0.2...v4.0.3) Signed-off-by: dependabot[bot] <[email protected]> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>