Bump css-loader from 4.2.0 to 4.2.1

Bumps [css-loader](https://github.com/webpack-contrib/css-loader) from 4.2.0 to 4.2.1.
- [Release notes](https://github.com/webpack-contrib/css-loader/releases)
- [Changelog](https://github.com/webpack-contrib/css-loader/blob/master/CHANGELOG.md)
- [Commits](webpack-contrib/css-loader@v4.2.0...v4.2.1)

Signed-off-by: dependabot-preview[bot] <[email protected]>

package.json

@@ -27,7 +27,7 @@
     "babel-loader": "^8.1.0",
     "babel-polyfill": "^6.26.0",
     "copy-webpack-plugin": "^6.0.3",
-    "css-loader": "^4.2.0",
+    "css-loader": "^4.2.1",
     "eslint": "^7.5.0",
     "eslint-config-standard": "^14.1.1",
     "eslint-plugin-import": "^2.22.0",

yarn.lock

@@ -2206,10 +2206,10 @@ css-declaration-sorter@^4.0.1:
     postcss "^7.0.1"
     timsort "^0.3.0"
 
-css-loader@^4.2.0:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-4.2.0.tgz#b57efb92ac8f0cd85bf92d89df9634ef1f51b8bf"
-  integrity sha512-ko7a9b0iFpWtk9eSI/C8IICvZeGtYnjxYjw45rJprokXj/+kBd/siX4vAIBq9Uij8Jubc4jL1EvSnTjCEwaHSw==
+css-loader@^4.2.1:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-4.2.1.tgz#9f48fd7eae1219d629a3f085ba9a9102ca1141a7"
+  integrity sha512-MoqmF1if7Z0pZIEXA4ZF9PgtCXxWbfzfJM+3p+OYfhcrwcqhaCRb74DSnfzRl7e024xEiCRn5hCvfUbTf2sgFA==
   dependencies:
     camelcase "^6.0.0"
     cssesc "^3.0.0"