chore(deps-dev): bump css-loader from 3.3.2 to 3.4.0

Bumps [css-loader](https://github.com/webpack-contrib/css-loader) from 3.3.2 to 3.4.0.
- [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/v3.3.2...v3.4.0)

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

yarn.lock

@@ -2613,9 +2613,9 @@ css-loader@^2.1.1:
     schema-utils "^1.0.0"
 
 css-loader@^3.2.0:
-  version "3.3.2"
-  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-3.3.2.tgz#41b2086528aa4fbf8c0692e874bc14f081129b21"
-  integrity sha512-4XSiURS+YEK2fQhmSaM1onnUm0VKWNf6WWBYjkp9YbSDGCBTVZ5XOM6Gkxo8tLgQlzkZOBJvk9trHlDk4gjEYg==
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-3.4.0.tgz#9fb263436783117a41d014e45e8eaeba54dd6670"
+  integrity sha512-JornYo4RAXl1Mzt0lOSVPmArzAMV3rGY2VuwtaDc732WTWjdwTaeS19nCGWMcSCf305Q396lhhDAJEWWM0SgPQ==
   dependencies:
     camelcase "^5.3.1"
     cssesc "^3.0.0"