Bump sass from 1.83.1 to 1.83.4

Bumps [sass](https://github.com/sass/dart-sass) from 1.83.1 to 1.83.4.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](sass/dart-sass@1.83.1...1.83.4)

---
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

@@ -60,7 +60,7 @@
         "reveal.js-mermaid-plugin": "^2.3.0",
         "reveal.js-plugins": "^4.2.5",
         "reveal.js-pointer": "^0.1.4",
-        "sass": "^1.83.1",
+        "sass": "^1.83.4",
         "ts-jest": "^29.2.5",
         "ts-mockito": "^2.6.1",
         "ts-node": "^10.9.2",