Bump sass from 1.49.9 to 1.56.1

Bumps [sass](https://github.com/sass/dart-sass) from 1.49.9 to 1.56.1.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](sass/dart-sass@1.49.9...1.56.1)

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

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

Author: dependabot[bot]

package.json

@@ -27,7 +27,7 @@
     "grunt-terser": "2.0.0",
     "load-grunt-tasks": "5.1.0",
     "postcss": "8.4.19",
-    "sass": "1.49.9",
+    "sass": "1.56.1",
     "stylelint": "13.13.1",
     "stylelint-order": "4.1.0",
     "stylelint-scss": "3.21.0"