chore(deps): bump multiformats from 11.0.2 to 12.0.0 in /js

Bumps [multiformats](https://github.com/multiformats/js-multiformats) from 11.0.2 to 12.0.0.
- [Release notes](https://github.com/multiformats/js-multiformats/releases)
- [Changelog](https://github.com/multiformats/js-multiformats/blob/master/CHANGELOG.md)
- [Commits](multiformats/js-multiformats@v11.0.2...v12.0.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

js/package.json

@@ -26,7 +26,7 @@
     "chai": "^4.3.4",
     "ipld-garbage": "^5.0.0",
     "mocha": "^10.0.0",
-    "multiformats": "^11.0.0",
+    "multiformats": "^12.0.0",
     "testmark.js": "^1.0.0"
   }
 }