Bump webpack from 5.90.1 to 5.94.0 in /packages/volto

Bumps [webpack](https://github.com/webpack/webpack) from 5.90.1 to 5.94.0.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v5.90.1...v5.94.0)

---
updated-dependencies:
- dependency-name: webpack
  dependency-type: direct:development
...

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

packages/volto/package.json

@@ -384,7 +384,7 @@
     "typescript": "^5.4.2",
     "use-trace-update": "1.3.2",
     "wait-on": "6.0.0",
-    "webpack": "5.90.1",
+    "webpack": "5.94.0",
     "webpack-bundle-analyzer": "4.10.1",
     "webpack-dev-server": "4.11.1",
     "webpack-node-externals": "3.0.0",