Bump sass-loader from 14.2.1 to 16.0.1 in /ui

Bumps [sass-loader](https://github.com/webpack-contrib/sass-loader) from 14.2.1 to 16.0.1.
- [Release notes](https://github.com/webpack-contrib/sass-loader/releases)
- [Changelog](https://github.com/webpack-contrib/sass-loader/blob/master/CHANGELOG.md)
- [Commits](webpack-contrib/sass-loader@v14.2.1...v16.0.1)

---
updated-dependencies:
- dependency-name: sass-loader
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

ui/package-lock.json

@@ -45,7 +45,7 @@
     "react-virtualized-auto-sizer": "^1.0.24",
     "react-window": "^1.8.10",
     "sass": "^1.77.6",
-    "sass-loader": "^14.2.1",
+    "sass-loader": "^16.0.1",
     "serve": "^14.2.3",
     "sockjs-client": "^1.6.1",
     "spinkit": "^2.0.1",