build(deps-dev): Bump html-webpack-plugin in /frontend

Bumps [html-webpack-plugin](https://github.com/jantimon/html-webpack-plugin) from 3.2.0 to 4.0.1.
- [Release notes](https://github.com/jantimon/html-webpack-plugin/releases)
- [Changelog](https://github.com/jantimon/html-webpack-plugin/blob/master/CHANGELOG.md)
- [Commits](jantimon/html-webpack-plugin@v3.2.0...v4.0.1)

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

Author: dependabot-preview[bot]

frontend/package.json

@@ -37,7 +37,7 @@
     "eslint-plugin-no-unsanitized": "^3.0.2",
     "eslint-plugin-prettier": "^3.1.0",
     "file-loader": "^5.0.1",
-    "html-webpack-plugin": "^3.2.0",
+    "html-webpack-plugin": "^4.0.1",
     "mini-css-extract-plugin": "^0.9.0",
     "node-sass": "^4.12.0",
     "optimize-css-assets-webpack-plugin": "^5.0.3",