deps: bump @libp2p/webrtc from 4.1.1 to 5.0.6

Bumps [@libp2p/webrtc](https://github.com/libp2p/js-libp2p) from 4.1.1 to 5.0.6.
- [Release notes](https://github.com/libp2p/js-libp2p/releases)
- [Changelog](https://github.com/libp2p/js-libp2p/blob/main/.release-please.json)
- [Commits](libp2p/js-libp2p@crypto-v4.1.1...webrtc-v5.0.6)

---
updated-dependencies:
- dependency-name: "@libp2p/webrtc"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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