Bump css-loader from 3.1.0 to 3.2.0

Bumps [css-loader](https://github.com/webpack-contrib/css-loader) from 3.1.0 to 3.2.0.
- [Release notes](https://github.com/webpack-contrib/css-loader/releases)
- [Changelog](https://github.com/webpack-contrib/css-loader/blob/master/CHANGELOG.md)
- [Commits](webpack/css-loader@v3.1.0...v3.2.0)

Signed-off-by: dependabot-preview[bot] <[email protected]>
Signed-off-by: npmbuildbot[bot] <npmbuildbot[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

js/main.js.map

@@ -29,7 +29,7 @@
     "@babel/plugin-syntax-dynamic-import": "^7.2.0",
     "@babel/preset-env": "^7.5.5",
     "babel-loader": "^8.0.6",
-    "css-loader": "^3.1.0",
+    "css-loader": "^3.2.0",
     "node-sass": "^4.12.0",
     "sass-loader": "^7.1.0",
     "vue-loader": "^15.7.1",