Merge pull request #14 from mrlynn/renovate/file-loader-5.x

Update dependency file-loader to v5

package.json

@@ -28,7 +28,7 @@
     "copy-webpack-plugin": "4.6.0",
     "css-loader": "3.2.1",
     "extract-text-webpack-plugin": "3.0.2",
-    "file-loader": "1.1.11",
+    "file-loader": "5.0.2",
     "friendly-errors-webpack-plugin": "1.7.0",
     "html-webpack-plugin": "2.30.1",
     "optimize-css-assets-webpack-plugin": "5.0.3",