Bump sass-loader from 15.0.0 to 16.0.0

Bumps [sass-loader](https://github.com/webpack-contrib/sass-loader) from 15.0.0 to 16.0.0.
- [Release notes](https://github.com/webpack-contrib/sass-loader/releases)
- [Changelog](https://github.com/webpack-contrib/sass-loader/blob/v16.0.0/CHANGELOG.md)
- [Commits](webpack-contrib/sass-loader@v15.0.0...v16.0.0)

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

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

package.json

@@ -127,7 +127,7 @@
     "redux-mock-store": "^1.5.4",
     "run-script-os": "^1.1.6",
     "sass": "^1.77.8",
-    "sass-loader": "^15.0.0",
+    "sass-loader": "^16.0.0",
     "shelljs": "^0.8.5",
     "showdown": "^2.1.0",
     "stylelint": "^15.11.0",