chore(deps-dev): bump memfs from 4.67.0 to 4.68.1

Bumps [memfs](https://github.com/streamich/memfs) from 4.67.0 to 4.68.1.
- [Release notes](https://github.com/streamich/memfs/releases)
- [Changelog](https://github.com/streamich/memfs/blob/master/CHANGELOG.md)
- [Commits](streamich/memfs@v4.67.0...v4.68.1)

---
updated-dependencies:
- dependency-name: memfs
  dependency-version: 4.68.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]