Bump loader-utils and file-loader

Bumps [loader-utils](https://github.com/webpack/loader-utils) to 1.4.2 and updates ancestor dependency [file-loader](https://github.com/webpack-contrib/file-loader). These dependencies need to be updated together.


Updates `loader-utils` from 1.4.0 to 1.4.2
- [Release notes](https://github.com/webpack/loader-utils/releases)
- [Changelog](https://github.com/webpack/loader-utils/blob/v1.4.2/CHANGELOG.md)
- [Commits](webpack/loader-utils@v1.4.0...v1.4.2)

Updates `file-loader` from 0.9.0 to 6.2.0
- [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@v0.9.0...v6.2.0)

---
updated-dependencies:
- dependency-name: loader-utils
  dependency-type: indirect
- dependency-name: file-loader
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -66,7 +66,7 @@
     "eslint-plugin-jsx-a11y": "^6.2.3",
     "eslint-plugin-react": "^7.17.0",
     "eslint-plugin-react-hooks": "^1.7.0",
-    "file-loader": "^0.9.0",
+    "file-loader": "^6.2.0",
     "karma": "^4.0.1",
     "karma-chai": "^0.1.0",
     "karma-chrome-launcher": "^2.2.0",