chore(deps-dev): bump css-loader in /src/packages/utils (#3654)

Bumps [css-loader](https://github.com/webpack-contrib/css-loader) from 5.2.4 to 5.2.6.
- [Release notes](https://github.com/webpack-contrib/css-loader/releases)
- [Changelog](https://github.com/webpack-contrib/css-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/css-loader/compare/v5.2.4...v5.2.6)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

src/packages/utils/package.json

@@ -44,7 +44,7 @@
     "babel-loader": "8.2.2",
     "babel-plugin-transform-class-properties": "6.24.1",
     "cross-env": "7.0.3",
-    "css-loader": "5.2.4",
+    "css-loader": "5.2.6",
     "file-loader": "6.2.0",
     "sass-loader": "11.1.1",
     "ts-loader": "8.1.0",