chore(deps): update dependency css-loader to v0.28.11

Author: renovate-bot

frontend/package.json

@@ -10,7 +10,7 @@
     "babel-core": "6.26.3",
     "babel-loader": "8.0.4",
     "babel-preset-env": "1.7.0",
-    "css-loader": "0.28.9",
+    "css-loader": "0.28.11",
     "eslint": "4.19.1",
     "eslint-config-airbnb": "16.1.0",
     "eslint-config-prettier": "2.9.0",

frontend/yarn.lock

@@ -1309,9 +1309,9 @@ css-color-names@0.0.4:
   version "0.0.4"
   resolved "https://registry.yarnpkg.com/css-color-names/-/css-color-names-0.0.4.tgz#808adc2e79cf84738069b646cb20ec27beb629e0"
 
-css-loader@0.28.9:
-  version "0.28.9"
-  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-0.28.9.tgz#68064b85f4e271d7ce4c48a58300928e535d1c95"
+css-loader@0.28.11:
+  version "0.28.11"
+  resolved "http://registry.npmjs.org/css-loader/-/css-loader-0.28.11.tgz#c3f9864a700be2711bb5a2462b2389b1a392dab7"
   dependencies:
     babel-code-frame "^6.26.0"
     css-selector-tokenizer "^0.7.0"