Bump webpack-cli from 4.5.0 to 4.6.0

Bumps [webpack-cli](https://github.com/webpack/webpack-cli) from 4.5.0 to 4.6.0.
- [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/[email protected]@4.6.0)

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

Author: dependabot[bot]

package-lock.json

@@ -344,7 +344,7 @@
     "typescript": "^4.2.3",
     "vscode-test": "^1.5.1",
     "webpack": "^5.28.0",
-    "webpack-cli": "^4.5.0"
+    "webpack-cli": "^4.6.0"
   },
   "dependencies": {
     "@types/xmldom": "^0.1.30",