build(deps-dev): bump style-loader from 0.21.0 to 2.0.0

Bumps [style-loader](https://github.com/webpack-contrib/style-loader) from 0.21.0 to 2.0.0.
- [Release notes](https://github.com/webpack-contrib/style-loader/releases)
- [Changelog](https://github.com/webpack-contrib/style-loader/blob/master/CHANGELOG.md)
- [Commits](webpack-contrib/style-loader@v0.21.0...v2.0.0)

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

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

package.json

@@ -53,7 +53,7 @@
     "node-sass": "^4.14.0",
     "postcss-loader": "^2.1.5",
     "sass-loader": "^7.0.3",
-    "style-loader": "^0.21.0",
+    "style-loader": "^2.0.0",
     "stylelint": "^9.10.1",
     "stylelint-config-mass": "^1.0.2",
     "stylelint-webpack-plugin": "^0.10.5",