chore(deps): update dependency url-loader to v4

Author: renovate-bot

package-lock.json

@@ -145,7 +145,7 @@
     "stylelint-config-prettier": "^4.0.0",
     "stylelint-config-recommended-scss": "^3.1.0",
     "stylelint-scss": "^3.0.0",
-    "url-loader": "^1.0.1",
+    "url-loader": "^4.0.0",
     "webpack": "^4.6.0"
   },
   "config": {