Bump style-loader from 1.2.0 to 1.2.1 in /js

Bumps [style-loader](https://github.com/webpack-contrib/style-loader) from 1.2.0 to 1.2.1.
- [Release notes](https://github.com/webpack-contrib/style-loader/releases)
- [Changelog](https://github.com/webpack-contrib/style-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/style-loader/compare/v1.2.0...v1.2.1)

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

js/package.json

@@ -34,7 +34,7 @@
     "css-loader": "^3.5.3",
     "karma": "^5.0.2",
     "mini-css-extract-plugin": "^0.9.0",
-    "style-loader": "^1.2.0",
+    "style-loader": "^1.2.1",
     "url-loader": "^4.1.0",
     "vue-loader": "^15.9.1",
     "vue-style-loader": "^4.1.2",