build(deps-dev): bump clean-webpack-plugin in /frontend

Bumps [clean-webpack-plugin](https://github.com/johnagan/clean-webpack-plugin) from 3.0.0 to 4.0.0.
- [Release notes](https://github.com/johnagan/clean-webpack-plugin/releases)
- [Commits](johnagan/clean-webpack-plugin@v3.0.0...v4.0.0)

---
updated-dependencies:
- dependency-name: clean-webpack-plugin
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

frontend/package-lock.json

@@ -25,7 +25,7 @@
     "babel-loader": "^8.2.2",
     "babel-plugin-prismjs": "^2.1.0",
     "babel-polyfill": "^6.26.0",
-    "clean-webpack-plugin": "^3.0.0",
+    "clean-webpack-plugin": "^4.0.0",
     "css-loader": "^6.2.0",
     "css-minimizer-webpack-plugin": "^3.0.2",
     "eslint": "^7.32.0",