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

Closes #23

Author: greenkeeper[bot]

package.json

@@ -60,7 +60,7 @@
     "eslint-plugin-import": "^2.13.0",
     "eslint-plugin-jsx-a11y": "^6.1.1",
     "eslint-plugin-react": "^7.10.0",
-    "file-loader": "^1.1.11",
+    "file-loader": "^5.0.1",
     "flow-bin": "^0.77.0",
     "html-webpack-plugin": "^3.2.0",
     "husky": "^1.0.0-rc.13",