deps: bump @libp2p/interface from 1.6.0 to 2.1.2

Bumps [@libp2p/interface](https://github.com/libp2p/js-libp2p) from 1.6.0 to 2.1.2.
- [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@libp2p-v1.6.0...libp2p-v2.1.2)

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

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