build(deps): bump sass from 1.35.2 to 1.38.1 in /lib (wtho#193)

Bumps [sass](https://github.com/sass/dart-sass) from 1.35.2 to 1.38.1.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](sass/dart-sass@1.35.2...1.38.1)

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

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Author: dependabot[bot]