deps(extension)(deps-dev): bump webpack-cli in /chartsmith-extension

Bumps [webpack-cli](https://github.com/webpack/webpack-cli) from 5.1.4 to 6.0.1.
- [Release notes](https://github.com/webpack/webpack-cli/releases)
- [Changelog](https://github.com/webpack/webpack-cli/blob/main/CHANGELOG.md)
- [Commits](https://github.com/webpack/webpack-cli/compare/webpack-cli@5.1.4...webpack-cli@6.0.1)

---
updated-dependencies:
- dependency-name: webpack-cli
  dependency-version: 6.0.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

chartsmith-extension/package-lock.json

@@ -122,7 +122,7 @@
     "ts-loader": "^9.4.3",
     "typescript": "^5.1.3",
     "webpack": "^5.85.0",
-    "webpack-cli": "^5.1.1"
+    "webpack-cli": "^6.0.1"
   },
   "dependencies": {
     "centrifuge": "^3.1.0",