deps: bump multiformats from 11.0.2 to 12.0.1 (#328)

Bumps [multiformats](https://github.com/multiformats/js-multiformats) from 11.0.2 to 12.0.1.
- [Release notes](https://github.com/multiformats/js-multiformats/releases)
- [Changelog](https://github.com/multiformats/js-multiformats/blob/master/CHANGELOG.md)
- [Commits](multiformats/js-multiformats@v11.0.2...v12.0.1)

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

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

Author: dependabot[bot]

package.json

@@ -169,7 +169,7 @@
     "@chainsafe/netmask": "^2.0.0",
     "@libp2p/interfaces": "^3.3.1",
     "dns-over-http-resolver": "^2.1.0",
-    "multiformats": "^11.0.0",
+    "multiformats": "^12.0.1",
     "uint8arrays": "^4.0.2",
     "varint": "^6.0.0"
   },