Update file-loader to 0.11.2

Closes #10203

Test Plan:
1. `rm -rf node_modules && rm -rf ~/.electron && npm i`
2. `npm run watch`
3. `npm start`
4. Make sure the images are properly displayed on the browser

package.json

@@ -92,7 +92,7 @@
     "electron-localshortcut": "^0.6.0",
     "electron-squirrel-startup": "brave/electron-squirrel-startup",
     "emoji-regex": "^6.5.1",
-    "file-loader": "^0.8.5",
+    "file-loader": "0.11.2",
     "font-awesome": "^4.5.0",
     "font-awesome-webpack": "0.0.4",
     "fs-extra": "^2.1.2",