GitLab

Bumps [github.com/libp2p/go-libp2p-core](https://github.com/libp2p/go-libp2p-core) from 0.3.0 to 0.5.1.
- [Release notes](https://github.com/libp2p/go-libp2p-core/releases)
- [Commits](https://github.com/libp2p/go-libp2p-core/compare/v0.3.0...v0.5.1)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>