chore(deps-dev): bump memfs from 4.6.0 to 4.8.1

Bumps [memfs](https://github.com/streamich/memfs) from 4.6.0 to 4.8.1.
- [Release notes](https://github.com/streamich/memfs/releases)
- [Changelog](https://github.com/streamich/memfs/blob/master/CHANGELOG.md)
- [Commits](streamich/memfs@v4.6.0...v4.8.1)

---
updated-dependencies:
- dependency-name: memfs
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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