deps: bump multiformats from 11.0.2 to 12.0.1 (#337)

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]

packages/ipfs-unixfs-exporter/package.json

@@ -148,7 +148,7 @@
     "it-parallel": "^3.0.0",
     "it-pipe": "^3.0.1",
     "it-pushable": "^3.1.0",
-    "multiformats": "^11.0.0",
+    "multiformats": "^12.0.1",
     "p-queue": "^7.3.0",
     "progress-events": "^1.0.0",
     "uint8arrays": "^4.0.2"

packages/ipfs-unixfs-importer/package.json

@@ -170,7 +170,7 @@
     "it-batch": "^3.0.2",
     "it-first": "^3.0.2",
     "it-parallel-batch": "^3.0.1",
-    "multiformats": "^11.0.0",
+    "multiformats": "^12.0.1",
     "progress-events": "^1.0.0",
     "rabin-wasm": "^0.1.4",
     "uint8arraylist": "^2.4.3",