build(deps-dev): bump webpack-cli from 4.2.0 to 4.4.0 in /frontend (#752)

Bumps [webpack-cli](https://github.com/webpack/webpack-cli) from 4.2.0 to 4.4.0.
- [Release notes](https://github.com/webpack/webpack-cli/releases)
- [Changelog](https://github.com/webpack/webpack-cli/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack/webpack-cli/compare/webpack-cli@4.2.0...webpack-cli@4.4.0)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

frontend/package-lock.json

@@ -46,7 +46,7 @@
     "standard": "^16.0.1",
     "terser-webpack-plugin": "^4.1.0",
     "webpack": "^4.40.2",
-    "webpack-cli": "^4.0.0",
+    "webpack-cli": "^4.4.0",
     "webpack-dev-server": "^3.11.2",
     "webpack-merge": "^5.2.0"
   },