Merge pull request #313 from bhovhannes/renovate/css-loader-3.x

chore(deps): update dependency css-loader to v3

Author: bhovhannes

package.json

@@ -32,7 +32,7 @@
   "homepage": "https://github.com/bhovhannes/svg-url-loader#readme",
   "devDependencies": {
     "codecov": "3.5.0",
-    "css-loader": "2.1.1",
+    "css-loader": "3.0.0",
     "expect.js": "0.3.1",
     "istanbul": "0.4.5",
     "less": "3.9.0",