chore(package): update file-loader to version 5.0.1

Closes #108

Author: greenkeeper[bot]

package.json

@@ -48,7 +48,7 @@
     "enzyme": "^3.9.0",
     "enzyme-adapter-react-16": "^1.12.1",
     "enzyme-to-json": "^3.3.5",
-    "file-loader": "^3.0.1",
+    "file-loader": "^5.0.1",
     "husky": "^1.3.1",
     "jest": "^23.6.0",
     "jest-cli": "^23.6.0",