Bump sass from 1.49.8 to 1.54.3 in /apps/block_scout_web/assets

Bumps [sass](https://github.com/sass/dart-sass) from 1.49.8 to 1.54.3.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](sass/dart-sass@1.49.8...1.54.3)

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

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

apps/block_scout_web/assets/package.json

@@ -94,7 +94,7 @@
     "mini-css-extract-plugin": "^2.6.1",
     "postcss": "^8.4.16",
     "postcss-loader": "^7.0.1",
-    "sass": "^1.49.8",
+    "sass": "^1.54.3",
     "sass-loader": "^13.0.2",
     "style-loader": "^3.3.1",
     "webpack": "^5.74.0",