build(deps-dev): bump webpack-cli from 3.3.12 to 6.0.0 in /Web

Bumps [webpack-cli](https://github.com/webpack/webpack-cli) from 3.3.12 to 6.0.0.
- [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])

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

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

Web/package.json

@@ -42,6 +42,6 @@
     "vue-style-loader": "^4.1.3",
     "vue-template-compiler": "^2.6.14",
     "webpack": "^4.46.0",
-    "webpack-cli": "^3.3.12"
+    "webpack-cli": "^6.0.0"
   }
 }