Bump webpack-cli from 4.10.0 to 6.0.1

Bumps [webpack-cli](https://github.com/webpack/webpack-cli) from 4.10.0 to 6.0.1.
- [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/[email protected]@6.0.1)

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

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

Author: dependabot[bot]

package-lock.json

@@ -42,7 +42,7 @@
     "style-loader": "^0.23.0",
     "url-loader": "^4.1.1",
     "webpack": "4.47.0",
-    "webpack-cli": "^4.10.0"
+    "webpack-cli": "^6.0.1"
   },
   "overrides": {
     "[email protected]": {