deps: bump multiformats from 10.0.3 to 11.0.0 (libp2p#70)

Bumps [multiformats](https://github.com/multiformats/js-multiformats) from 10.0.3 to 11.0.0.
- [Release notes](https://github.com/multiformats/js-multiformats/releases)
- [Changelog](https://github.com/multiformats/js-multiformats/blob/master/CHANGELOG.md)
- [Commits](multiformats/js-multiformats@v10.0.3...v11.0.0)

---
updated-dependencies:
- dependency-name: multiformats
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -150,7 +150,7 @@
     "it-pipe": "^2.0.4",
     "it-pushable": "^3.1.0",
     "it-stream-types": "^1.0.4",
-    "multiformats": "^10.0.0",
+    "multiformats": "^11.0.0",
     "multihashes": "^4.0.3",
     "p-defer": "^4.0.0",
     "uint8arraylist": "^2.3.3",