Bump sass from 1.81.0 to 1.81.1 in /csunplugged

Bumps [sass](https://github.com/sass/dart-sass) from 1.81.0 to 1.81.1.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](sass/dart-sass@1.81.0...1.81.1)

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

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

csunplugged/package.json

@@ -35,7 +35,7 @@
         "postcss": "8.4.49",
         "postcss-flexbugs-fixes": "5.0.2",
         "reveal.js": "5.1.0",
-        "sass": "1.81.0",
+        "sass": "1.81.1",
         "scratchblocks": "3.6.4",
         "vinyl-buffer": "1.0.1",
         "yargs": "17.7.2"