Bump file-loader from 4.3.0 to 5.0.2 in /{{cookiecutter.app_name}}

Bumps [file-loader](https://github.com/webpack-contrib/file-loader) from 4.3.0 to 5.0.2.
- [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/v4.3.0...v5.0.2)

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

{{cookiecutter.app_name}}/package.json

@@ -40,7 +40,7 @@
     "eslint": "^6.2.2",
     "eslint-config-airbnb-base": "^14.0.0",
     "eslint-plugin-import": "^2.17.3",
-    "file-loader": "^4.0.0",
+    "file-loader": "^5.0.2",
     "less": "^3.9.0",
     "less-loader": "^5.0.0",
     "mini-css-extract-plugin": "^0.8.0",