build(deps-dev): bump sass in /showcase/playground-showcase

Bumps [sass](https://github.com/sass/dart-sass) from 1.69.0 to 1.69.1.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](sass/dart-sass@1.69.0...1.69.1)

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

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

Author: dependabot[bot]

showcase/playground-showcase/package-lock.json

@@ -18,7 +18,7 @@
     "@types/dompurify": "^3.0.3",
     "cpr": "3.0.1",
     "react-scripts": "5.0.1",
-    "sass": "1.69.0"
+    "sass": "1.69.1"
   },
   "scripts": {
     "copy:ui-core": "cpr ../../node_modules/@db-ui/core/dist/fonts ./public/fonts -o && cpr ../../node_modules/@db-ui/core/dist/images ./public/images -o && cpr ../../node_modules/@db-ui/core/dist/js ./public/js -o",