Update dependency file-loader to v4.2.0

Author: renovate-bot

package.json

@@ -7,7 +7,7 @@
   "devDependencies": {
     "copy-webpack-plugin": "5.0.3",
     "css-loader": "3.0.0",
-    "file-loader": "4.0.0",
+    "file-loader": "4.2.0",
     "html-webpack-plugin": "3.2.0",
     "serve": "11.1.0",
     "style-loader": "0.23.1",