chore(deps-dev): bump ipfs-unixfs from 6.0.9 to 9.0.0

Bumps [ipfs-unixfs](https://github.com/ipfs/js-ipfs-unixfs) from 6.0.9 to 9.0.0.
- [Release notes](https://github.com/ipfs/js-ipfs-unixfs/releases)
- [Commits](ipfs/js-ipfs-unixfs@ipfs-unixfs-v6.0.9...ipfs-unixfs-v9.0.0)

---
updated-dependencies:
- dependency-name: ipfs-unixfs
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -164,7 +164,7 @@
     "aegir": "^36.1.1",
     "delay": "^5.0.0",
     "events": "^3.3.0",
-    "ipfs-unixfs": "^6.0.4",
+    "ipfs-unixfs": "^9.0.0",
     "it-drain": "^1.0.3",
     "it-last": "^1.0.4",
     "it-to-buffer": "^2.0.0",