Bump file-loader from 1.1.11 to 4.2.0

Bumps [file-loader](https://github.com/webpack-contrib/file-loader) from 1.1.11 to 4.2.0.
- [Release notes](https://github.com/webpack-contrib/file-loader/releases)
- [Changelog](https://github.com/webpack-contrib/file-loader/blob/master/CHANGELOG.md)
- [Commits](webpack-contrib/file-loader@v1.1.11...v4.2.0)

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

Author: dependabot-preview[bot]

Diff for: package.json

@@ -76,7 +76,7 @@
     "eslint-plugin-import": "^2.8.0",
     "express": "^4.16.3",
     "extract-text-webpack-plugin": "^4.0.0-beta.0",
-    "file-loader": "^1.1.11",
+    "file-loader": "^4.2.0",
     "get-pixels": "^3.3.0",
     "image-size": "^0.6.1",
     "imports-loader": "^0.8.0",