Bump sass from 1.77.6 to 1.81.1 in /{{cookiecutter.project_slug}}

Bumps [sass](https://github.com/sass/dart-sass) from 1.77.6 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@1.77.6...1.81.1)

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

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

{{cookiecutter.project_slug}}/package.json

@@ -26,7 +26,7 @@
     "postcss": "^8.3.11",
     "postcss-loader": "^8.0.0",
     "postcss-preset-env": "^10.0.3",
-    "sass": "1.77.6",
+    "sass": "1.81.1",
     "sass-loader": "^16.0.1",
     "webpack": "^5.65.0",
     "webpack-bundle-tracker": "^3.0.1",