Bump webpack-cli from 4.6.0 to 4.7.0

Bumps [webpack-cli](https://github.com/webpack/webpack-cli) from 4.6.0 to 4.7.0.
- [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@4.6.0...webpack-cli@4.7.0)

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

package.json

@@ -69,7 +69,7 @@
     "typescript": "^4.2.4",
     "url-loader": "^4.1.1",
     "webpack": "^5.36.2",
-    "webpack-cli": "^4.6.0",
+    "webpack-cli": "^4.7.0",
     "webpack-dev-server": "4.0.0-beta.2"
   },
   "jest": {