Bump file-loader from 3.0.1 to 4.0.0

Bumps [file-loader](https://github.com/webpack-contrib/file-loader) from 3.0.1 to 4.0.0.
- [Release notes](https://github.com/webpack-contrib/file-loader/releases)
- [Changelog](https://github.com/webpack-contrib/file-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/file-loader/compare/v3.0.1...v4.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -18,7 +18,7 @@
     "electron-builder": "^20.43.0",
     "electron-installer-snap": "^3.2.0",
     "electron-rebuild": "^1.8.5",
-    "file-loader": "^3.0.1",
+    "file-loader": "^4.0.0",
     "graceful-fs": "^4.1.15",
     "html-loader": "0.5.5",
     "json-loader": "0.5.7",