Bump sass-embedded from 1.78.0 to 1.81.0

Bumps [sass-embedded](https://github.com/sass/embedded-host-node) from 1.78.0 to 1.81.0.
- [Changelog](https://github.com/sass/embedded-host-node/blob/main/CHANGELOG.md)
- [Commits](sass/embedded-host-node@1.78.0...1.81.0)

---
updated-dependencies:
- dependency-name: sass-embedded
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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