Bumps [multiformats](https://github.com/multiformats/js-multiformats) from 7.0.0 to 8.0.3.
- [Release notes](https://github.com/multiformats/js-multiformats/releases)
- [Commits](https://github.com/multiformats/js-multiformats/compare/v7.0.0...v8.0.3)

Signed-off-by: dependabot[bot] <support@github.com>