chore(package): update file-loader to version 5.0.2

Closes #66

Author: greenkeeper[bot]

packages/intermediate/koans/package.json

@@ -15,7 +15,7 @@
     "@babel/preset-env": "^7.3.1",
     "webpack": "^4.28.4",
     "webpack-cli": "^3.2.1",
-    "file-loader": "^4.2.0",
+    "file-loader": "^5.0.2",
     "css-loader": "^3.2.0",
     "babel-loader": "^8.0.5",
     "style-loader": "^1.0.0",