build(deps-dev): bump sass from 1.77.5 to 1.77.6

Bumps [sass](https://github.com/sass/dart-sass) from 1.77.5 to 1.77.6.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](https://github.com/sass/dart-sass/compare/1.77.5...1.77.6)

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

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

package.json

@@ -38,7 +38,7 @@
     "htmlparser": "1.7.7",
     "jed": "1.1.1",
     "qunit": "2.21.0",
-    "sass": "1.77.5",
+    "sass": "1.77.6",
     "stylelint": "16.6.1",
     "stylelint-config-standard": "36.0.0",
     "stylelint-config-standard-scss": "13.1.0",